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Finding the Fourth Proportional to 83,195.38, 124,793.61 and 33,279.70

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Solution

The fourth proportional to 83,195.38, 124,793.61 and 33,279.70 is: 49,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,195.38 : 124,793.61 = 33,279.70 : x
  2. Step 2: Convert to fraction form
    83,195.38/124,793.61 = 33,279.70/x
  3. Step 3: Cross multiply
    83,195.38x = 124,793.61 × 33,279.70
  4. Step 4: Simplify right side
    83,195.38x = 4,153,093,902.72
  5. Step 5: Solve for x
    x = 4,153,093,902.72/83,195.38
  6. Step 6: Final answer
    x = 49,919.77

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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.