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Finding the Fourth Proportional to 250,469.76, 375,761.36 and 143,902.92

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Solution

The fourth proportional to 250,469.76, 375,761.36 and 143,902.92 is: 215,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,469.76 : 375,761.36 = 143,902.92 : x
  2. Step 2: Convert to fraction form
    250,469.76/375,761.36 = 143,902.92/x
  3. Step 3: Cross multiply
    250,469.76x = 375,761.36 × 143,902.92
  4. Step 4: Simplify right side
    250,469.76x = 54,073,156,927.17
  5. Step 5: Solve for x
    x = 54,073,156,927.17/250,469.76
  6. Step 6: Final answer
    x = 215,886.97

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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.