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Finding the Fourth Proportional to 95,154.92, 142,687.74 and 55,723.88

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Solution

The fourth proportional to 95,154.92, 142,687.74 and 55,723.88 is: 83,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,154.92 : 142,687.74 = 55,723.88 : x
  2. Step 2: Convert to fraction form
    95,154.92/142,687.74 = 55,723.88/x
  3. Step 3: Cross multiply
    95,154.92x = 142,687.74 × 55,723.88
  4. Step 4: Simplify right side
    95,154.92x = 7,951,114,501.23
  5. Step 5: Solve for x
    x = 7,951,114,501.23/95,154.92
  6. Step 6: Final answer
    x = 83,559.68

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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.