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Finding the Fourth Proportional to 67,334.96, 101,001.80 and 25,781.96

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Solution

The fourth proportional to 67,334.96, 101,001.80 and 25,781.96 is: 38,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,334.96 : 101,001.80 = 25,781.96 : x
  2. Step 2: Convert to fraction form
    67,334.96/101,001.80 = 25,781.96/x
  3. Step 3: Cross multiply
    67,334.96x = 101,001.80 × 25,781.96
  4. Step 4: Simplify right side
    67,334.96x = 2,604,023,926.97
  5. Step 5: Solve for x
    x = 2,604,023,926.97/67,334.96
  6. Step 6: Final answer
    x = 38,672.69

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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.