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Finding the Fourth Proportional to 165,115.01, 227,859.59 and 93,508.97

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Solution

The fourth proportional to 165,115.01, 227,859.59 and 93,508.97 is: 129,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,115.01 : 227,859.59 = 93,508.97 : x
  2. Step 2: Convert to fraction form
    165,115.01/227,859.59 = 93,508.97/x
  3. Step 3: Cross multiply
    165,115.01x = 227,859.59 × 93,508.97
  4. Step 4: Simplify right side
    165,115.01x = 21,306,915,565.52
  5. Step 5: Solve for x
    x = 21,306,915,565.52/165,115.01
  6. Step 6: Final answer
    x = 129,042.87

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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.