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Finding the Fourth Proportional to 87,006.69, 130,512.73 and 41,404.40

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Solution

The fourth proportional to 87,006.69, 130,512.73 and 41,404.40 is: 62,107.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,006.69 : 130,512.73 = 41,404.40 : x
  2. Step 2: Convert to fraction form
    87,006.69/130,512.73 = 41,404.40/x
  3. Step 3: Cross multiply
    87,006.69x = 130,512.73 × 41,404.40
  4. Step 4: Simplify right side
    87,006.69x = 5,403,801,278.01
  5. Step 5: Solve for x
    x = 5,403,801,278.01/87,006.69
  6. Step 6: Final answer
    x = 62,107.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.