| ( | ( | 720000 | + | 5 | k | ) | ÷ | ( | 144000 | k | ) | ) | × | 1 | ÷ | ( | 333 10000 | + | ( | 144000 | k | ÷ | ( | 144000 | + | k | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 3 10 |
| Multiply both sides of the equation by: | ( | 333 10000 | + | ( | 144000 | k | ÷ | ( | 144000 | + | k | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
| ( | ( | 720000 | + | 5 | k | ) | ÷ | ( | 144000 | k | ) | ) | × | 1 | = | 3 10 | ( | 333 10000 | + | ( | 144000 | k | ÷ | ( | 144000 | + | k | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
| ( | 720000 | + | 5 | k | ) | ÷ | ( | 144000 | k | ) | × | 1 | = | 3 10 | ( | 333 10000 | + | ( | 144000 | k | ÷ | ( | 144000 | + | k | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
| ( | 720000 | + | 5 | k | ) | ÷ | ( | 144000 | k | ) | × | 1 | = | 3 10 | × | 333 10000 | + | 3 10 | ( | 144000 | k | ÷ | ( | 144000 | + | k | ) | ) | + | 3 10 | ( | 1 | ÷ | 60000 | ) |
| ( | 720000 | + | 5 | k | ) | ÷ | ( | 144000 | k | ) | × | 1 | = | 999 100000 | + | 3 10 | ( | 144000 | k | ÷ | ( | 144000 | + | k | ) | ) | + | 3 10 | ( | 1 | ÷ | 60000 | ) |
| Multiply both sides of the equation by: | ( | 144000 | k | ) |
| ( | 720000 | + | 5 | k | ) | × | 1 | = | 999 100000 | ( | 144000 | k | ) | + | 3 10 | ( | 144000 | k | ÷ | ( | 144000 | + | k | ) | ) | ( | 144000 | k | ) | + | 3 10 | ( | 1 | ÷ | 60000 | ) | ( | 144000 | k | ) |
| 720000 | × | 1 | + | 5 | k | × | 1 | = | 999 100000 | ( | 144000 | k | ) | + | 3 10 | ( | 144000 | k | ÷ | ( | 144000 | + | k | ) | ) | ( | 144000 | k | ) | + | 3 10 | ( | 1 | ÷ | 60000 | ) | ( | 144000 | k | ) |
| 720000 | × | 1 | + | 5 | k | × | 1 | = | 999 100000 | × | 144000 | k | + | 3 10 | ( | 144000 | k | ÷ | ( | 144000 | + | k | ) | ) | ( | 144000 | k | ) | + | 3 10 | ( | 1 | ÷ | 60000 | ) | ( | 144000 | k | ) |
| 720000 | + | 5 | k | = | 35964 25 | k | + | 3 10 | ( | 144000 | k | ÷ | ( | 144000 | + | k | ) | ) | ( | 144000 | k | ) | + | 3 10 | ( | 1 | ÷ | 60000 | ) | ( | 144000 | k | ) |
| 720000 | + | 5 | k | = | 35964 25 | k | + | 3 10 | × | 144000 | k | ÷ | ( | 144000 | + | k | ) | × | ( | 144000 | k | ) | + | 3 10 | ( | 1 | ÷ | 60000 | ) | ( | 144000 | k | ) |
| 720000 | + | 5 | k | = | 35964 25 | k | + | 43200 | k | ÷ | ( | 144000 | + | k | ) | × | ( | 144000 | k | ) | + | 3 10 | ( | 1 | ÷ | 60000 | ) | ( | 144000 | k | ) |
| Multiply both sides of the equation by: | ( | 144000 | + | k | ) |
| 720000 | ( | 144000 | + | k | ) | + | 5 | k | ( | 144000 | + | k | ) | = | 35964 25 | k | ( | 144000 | + | k | ) | + | 43200 | k | ( | 144000 | k | ) | + | 3 10 | ( | 1 | ÷ | 60000 | ) | ( | 144000 | k | ) | ( | 144000 | + | k | ) |
| 720000 | × | 144000 | + | 720000 | k | + | 5 | k | ( | 144000 | + | k | ) | = | 35964 25 | k | ( | 144000 | + | k | ) | + | 43200 | k | ( | 144000 | k | ) | + | 3 10 | ( | 1 | ÷ | 60000 | ) | ( | 144000 | k | ) | ( | 144000 | + | k | ) |
| 720000 | × | 144000 | + | 720000 | k | + | 5 | k | ( | 144000 | + | k | ) | = | 35964 25 | k | × | 144000 | + | 35964 25 | k | k | + | 43200 | k | ( | 144000 | k | ) | + | 3 10 | ( | 1 | ÷ | 60000 | ) | ( | 144000 | k | ) |