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Finding the Fourth Proportional to 92,517.86, 138,794.31 and 29,353.88

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Solution

The fourth proportional to 92,517.86, 138,794.31 and 29,353.88 is: 44,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,517.86 : 138,794.31 = 29,353.88 : x
  2. Step 2: Convert to fraction form
    92,517.86/138,794.31 = 29,353.88/x
  3. Step 3: Cross multiply
    92,517.86x = 138,794.31 × 29,353.88
  4. Step 4: Simplify right side
    92,517.86x = 4,074,151,867.41
  5. Step 5: Solve for x
    x = 4,074,151,867.41/92,517.86
  6. Step 6: Final answer
    x = 44,036.38

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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.