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Finding the Fourth Proportional to 435,044.25, 652,491.14 and 115,200.72

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Solution

The fourth proportional to 435,044.25, 652,491.14 and 115,200.72 is: 172,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,044.25 : 652,491.14 = 115,200.72 : x
  2. Step 2: Convert to fraction form
    435,044.25/652,491.14 = 115,200.72/x
  3. Step 3: Cross multiply
    435,044.25x = 652,491.14 × 115,200.72
  4. Step 4: Simplify right side
    435,044.25x = 75,167,448,545.62
  5. Step 5: Solve for x
    x = 75,167,448,545.62/435,044.25
  6. Step 6: Final answer
    x = 172,781.16

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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.