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Finding the Fourth Proportional to 83,187.80, 124,797.90 and 24,025.40

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Solution

The fourth proportional to 83,187.80, 124,797.90 and 24,025.40 is: 36,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,187.80 : 124,797.90 = 24,025.40 : x
  2. Step 2: Convert to fraction form
    83,187.80/124,797.90 = 24,025.40/x
  3. Step 3: Cross multiply
    83,187.80x = 124,797.90 × 24,025.40
  4. Step 4: Simplify right side
    83,187.80x = 2,998,319,466.66
  5. Step 5: Solve for x
    x = 2,998,319,466.66/83,187.80
  6. Step 6: Final answer
    x = 36,042.78

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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.