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Finding the Fourth Proportional to 83,375.80, 124,953.13 and 43,960.80

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Solution

The fourth proportional to 83,375.80, 124,953.13 and 43,960.80 is: 65,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,375.80 : 124,953.13 = 43,960.80 : x
  2. Step 2: Convert to fraction form
    83,375.80/124,953.13 = 43,960.80/x
  3. Step 3: Cross multiply
    83,375.80x = 124,953.13 × 43,960.80
  4. Step 4: Simplify right side
    83,375.80x = 5,493,039,557.30
  5. Step 5: Solve for x
    x = 5,493,039,557.30/83,375.80
  6. Step 6: Final answer
    x = 65,882.90

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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.