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Finding the Fourth Proportional to 274,924.38, 412,337.85 and 125,129.82

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Solution

The fourth proportional to 274,924.38, 412,337.85 and 125,129.82 is: 187,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,924.38 : 412,337.85 = 125,129.82 : x
  2. Step 2: Convert to fraction form
    274,924.38/412,337.85 = 125,129.82/x
  3. Step 3: Cross multiply
    274,924.38x = 412,337.85 × 125,129.82
  4. Step 4: Simplify right side
    274,924.38x = 51,595,760,949.69
  5. Step 5: Solve for x
    x = 51,595,760,949.69/274,924.38
  6. Step 6: Final answer
    x = 187,672.56

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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.