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Finding the Fourth Proportional to 157,599, 217,456.92 and 93,942.72

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Solution

The fourth proportional to 157,599, 217,456.92 and 93,942.72 is: 129,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,599 : 217,456.92 = 93,942.72 : x
  2. Step 2: Convert to fraction form
    157,599/217,456.92 = 93,942.72/x
  3. Step 3: Cross multiply
    157,599x = 217,456.92 × 93,942.72
  4. Step 4: Simplify right side
    157,599x = 20,428,494,547.62
  5. Step 5: Solve for x
    x = 20,428,494,547.62/157,599
  6. Step 6: Final answer
    x = 129,623.25

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1.5x scale

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.