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Finding the Fourth Proportional to 95,099.76, 131,239.28 and 52,078.56

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Solution

The fourth proportional to 95,099.76, 131,239.28 and 52,078.56 is: 71,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,099.76 : 131,239.28 = 52,078.56 : x
  2. Step 2: Convert to fraction form
    95,099.76/131,239.28 = 52,078.56/x
  3. Step 3: Cross multiply
    95,099.76x = 131,239.28 × 52,078.56
  4. Step 4: Simplify right side
    95,099.76x = 6,834,752,717.84
  5. Step 5: Solve for x
    x = 6,834,752,717.84/95,099.76
  6. Step 6: Final answer
    x = 71,869.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.