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Finding the Fourth Proportional to 73,213.14, 101,034.72 and 39,679.14

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Solution

The fourth proportional to 73,213.14, 101,034.72 and 39,679.14 is: 54,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,213.14 : 101,034.72 = 39,679.14 : x
  2. Step 2: Convert to fraction form
    73,213.14/101,034.72 = 39,679.14/x
  3. Step 3: Cross multiply
    73,213.14x = 101,034.72 × 39,679.14
  4. Step 4: Simplify right side
    73,213.14x = 4,008,970,799.74
  5. Step 5: Solve for x
    x = 4,008,970,799.74/73,213.14
  6. Step 6: Final answer
    x = 54,757.53

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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.