Finding the Fourth Proportional to 172,596.96, 258,545.52 and 89,316
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Solution
The fourth proportional to 172,596.96, 258,545.52 and 89,316 is: 133,792.92
Step by Step Solution
- Step 1: Write the proportion equation
172,596.96 : 258,545.52 = 89,316 : x - Step 2: Convert to fraction form
172,596.96/258,545.52 = 89,316/x - Step 3: Cross multiply
172,596.96x = 258,545.52 × 89,316 - Step 4: Simplify right side
172,596.96x = 23,092,251,664.32 - Step 5: Solve for x
x = 23,092,251,664.32/172,596.96 - Step 6: Final answer
x = 133,792.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.