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Finding the Fourth Proportional to 424,777.28, 637,165.16 and 125,468.06

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Solution

The fourth proportional to 424,777.28, 637,165.16 and 125,468.06 is: 188,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,777.28 : 637,165.16 = 125,468.06 : x
  2. Step 2: Convert to fraction form
    424,777.28/637,165.16 = 125,468.06/x
  3. Step 3: Cross multiply
    424,777.28x = 637,165.16 × 125,468.06
  4. Step 4: Simplify right side
    424,777.28x = 79,943,876,524.79
  5. Step 5: Solve for x
    x = 79,943,876,524.79/424,777.28
  6. Step 6: Final answer
    x = 188,201.87

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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.