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Finding the Fourth Proportional to 73,691.68, 101,672.40 and 41,856.16

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Solution

The fourth proportional to 73,691.68, 101,672.40 and 41,856.16 is: 57,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,691.68 : 101,672.40 = 41,856.16 : x
  2. Step 2: Convert to fraction form
    73,691.68/101,672.40 = 41,856.16/x
  3. Step 3: Cross multiply
    73,691.68x = 101,672.40 × 41,856.16
  4. Step 4: Simplify right side
    73,691.68x = 4,255,616,241.98
  5. Step 5: Solve for x
    x = 4,255,616,241.98/73,691.68
  6. Step 6: Final answer
    x = 57,748.94

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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.