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Finding the Fourth Proportional to 425,135.52, 637,737.17 and 140,814.59

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Solution

The fourth proportional to 425,135.52, 637,737.17 and 140,814.59 is: 211,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,135.52 : 637,737.17 = 140,814.59 : x
  2. Step 2: Convert to fraction form
    425,135.52/637,737.17 = 140,814.59/x
  3. Step 3: Cross multiply
    425,135.52x = 637,737.17 × 140,814.59
  4. Step 4: Simplify right side
    425,135.52x = 89,802,694,228.55
  5. Step 5: Solve for x
    x = 89,802,694,228.55/425,135.52
  6. Step 6: Final answer
    x = 211,233.10

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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.