The correct answer is: $90.718474\text{ kg}\ (\approx90.72\text{ kg})$
Explanation
Convert pounds to kilograms using the exact factor $1\text{ lb} = 0.45359237\text{ kg}$.
Steps:
- First step: $$m = 200\times0.45359237\text{ kg}$$
- Second step: $$m = 90.718474\text{ kg}$$
- Final step (rounded): $$m \approx 90.72\text{ kg}$$
Therefore, 200 pounds equals about $90.72\text{ kg}$ (exactly $90.718474\text{ kg}$).