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Finding the Fourth Proportional to 73,886.74, 101,944.92 and 45,195.92

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Solution

The fourth proportional to 73,886.74, 101,944.92 and 45,195.92 is: 62,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,886.74 : 101,944.92 = 45,195.92 : x
  2. Step 2: Convert to fraction form
    73,886.74/101,944.92 = 45,195.92/x
  3. Step 3: Cross multiply
    73,886.74x = 101,944.92 × 45,195.92
  4. Step 4: Simplify right side
    73,886.74x = 4,607,494,490.78
  5. Step 5: Solve for x
    x = 4,607,494,490.78/73,886.74
  6. Step 6: Final answer
    x = 62,358.88

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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.