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Finding the Fourth Proportional to 95,446.44, 131,695.20 and 57,719.88

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Solution

The fourth proportional to 95,446.44, 131,695.20 and 57,719.88 is: 79,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,446.44 : 131,695.20 = 57,719.88 : x
  2. Step 2: Convert to fraction form
    95,446.44/131,695.20 = 57,719.88/x
  3. Step 3: Cross multiply
    95,446.44x = 131,695.20 × 57,719.88
  4. Step 4: Simplify right side
    95,446.44x = 7,601,431,140.58
  5. Step 5: Solve for x
    x = 7,601,431,140.58/95,446.44
  6. Step 6: Final answer
    x = 79,640.80

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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.