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Finding the Fourth Proportional to 68,753.88, 103,126.37 and 23,773.97

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Solution

The fourth proportional to 68,753.88, 103,126.37 and 23,773.97 is: 35,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,753.88 : 103,126.37 = 23,773.97 : x
  2. Step 2: Convert to fraction form
    68,753.88/103,126.37 = 23,773.97/x
  3. Step 3: Cross multiply
    68,753.88x = 103,126.37 × 23,773.97
  4. Step 4: Simplify right side
    68,753.88x = 2,451,723,365.53
  5. Step 5: Solve for x
    x = 2,451,723,365.53/68,753.88
  6. Step 6: Final answer
    x = 35,659.42

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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.