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Finding the Fourth Proportional to 82,375.92, 123,519.60 and 26,200.80

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Solution

The fourth proportional to 82,375.92, 123,519.60 and 26,200.80 is: 39,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,375.92 : 123,519.60 = 26,200.80 : x
  2. Step 2: Convert to fraction form
    82,375.92/123,519.60 = 26,200.80/x
  3. Step 3: Cross multiply
    82,375.92x = 123,519.60 × 26,200.80
  4. Step 4: Simplify right side
    82,375.92x = 3,236,312,335.68
  5. Step 5: Solve for x
    x = 3,236,312,335.68/82,375.92
  6. Step 6: Final answer
    x = 39,287.12

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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.