Finding the Fourth Proportional to 157,547.26, 217,454.51 and 93,872.75
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Solution
The fourth proportional to 157,547.26, 217,454.51 and 93,872.75 is: 129,567.81
Step by Step Solution
- Step 1: Write the proportion equation
157,547.26 : 217,454.51 = 93,872.75 : x - Step 2: Convert to fraction form
157,547.26/217,454.51 = 93,872.75/x - Step 3: Cross multiply
157,547.26x = 217,454.51 × 93,872.75 - Step 4: Simplify right side
157,547.26x = 20,413,052,853.60 - Step 5: Solve for x
x = 20,413,052,853.60/157,547.26 - Step 6: Final answer
x = 129,567.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.