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Finding the Fourth Proportional to 95,158.60, 142,343.43 and 72,497.82

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Solution

The fourth proportional to 95,158.60, 142,343.43 and 72,497.82 is: 108,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,158.60 : 142,343.43 = 72,497.82 : x
  2. Step 2: Convert to fraction form
    95,158.60/142,343.43 = 72,497.82/x
  3. Step 3: Cross multiply
    95,158.60x = 142,343.43 × 72,497.82
  4. Step 4: Simplify right side
    95,158.60x = 10,319,587,827.56
  5. Step 5: Solve for x
    x = 10,319,587,827.56/95,158.60
  6. Step 6: Final answer
    x = 108,446.20

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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.