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Finding the Fourth Proportional to 83,158.60, 124,713.60 and 29,844.40

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Solution

The fourth proportional to 83,158.60, 124,713.60 and 29,844.40 is: 44,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,158.60 : 124,713.60 = 29,844.40 : x
  2. Step 2: Convert to fraction form
    83,158.60/124,713.60 = 29,844.40/x
  3. Step 3: Cross multiply
    83,158.60x = 124,713.60 × 29,844.40
  4. Step 4: Simplify right side
    83,158.60x = 3,722,002,563.84
  5. Step 5: Solve for x
    x = 3,722,002,563.84/83,158.60
  6. Step 6: Final answer
    x = 44,757.88

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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.