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Finding the Fourth Proportional to 557,545.68, 836,350.29 and 158,155.20

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Solution

The fourth proportional to 557,545.68, 836,350.29 and 158,155.20 is: 237,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,545.68 : 836,350.29 = 158,155.20 : x
  2. Step 2: Convert to fraction form
    557,545.68/836,350.29 = 158,155.20/x
  3. Step 3: Cross multiply
    557,545.68x = 836,350.29 × 158,155.20
  4. Step 4: Simplify right side
    557,545.68x = 132,273,147,385.01
  5. Step 5: Solve for x
    x = 132,273,147,385.01/557,545.68
  6. Step 6: Final answer
    x = 237,241.81

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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.