Give the step-by-step reasoning process and then the final answer. 198 passengers fit into 9 buses. How many passengers fit in 5 buses?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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198 passengers / 9 buses = 22 passengers fit in one bus. 22 passengers / bus * 5 buses = 110 passengers fit in 5 buses.
The final answer: 110.