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Finding the Fourth Proportional to 95,957.60, 143,947.20 and 29,397.20

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Solution

The fourth proportional to 95,957.60, 143,947.20 and 29,397.20 is: 44,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,957.60 : 143,947.20 = 29,397.20 : x
  2. Step 2: Convert to fraction form
    95,957.60/143,947.20 = 29,397.20/x
  3. Step 3: Cross multiply
    95,957.60x = 143,947.20 × 29,397.20
  4. Step 4: Simplify right side
    95,957.60x = 4,231,644,627.84
  5. Step 5: Solve for x
    x = 4,231,644,627.84/95,957.60
  6. Step 6: Final answer
    x = 44,099.11

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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.