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Finding the Fourth Proportional to 83,711.88, 125,254.08 and 49,854.15

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Solution

The fourth proportional to 83,711.88, 125,254.08 and 49,854.15 is: 74,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,711.88 : 125,254.08 = 49,854.15 : x
  2. Step 2: Convert to fraction form
    83,711.88/125,254.08 = 49,854.15/x
  3. Step 3: Cross multiply
    83,711.88x = 125,254.08 × 49,854.15
  4. Step 4: Simplify right side
    83,711.88x = 6,244,435,692.43
  5. Step 5: Solve for x
    x = 6,244,435,692.43/83,711.88
  6. Step 6: Final answer
    x = 74,594.38

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1.5x scale

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.