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Finding the Fourth Proportional to 98,882.48, 148,150.92 and 82,348.88

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Solution

The fourth proportional to 98,882.48, 148,150.92 and 82,348.88 is: 123,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,882.48 : 148,150.92 = 82,348.88 : x
  2. Step 2: Convert to fraction form
    98,882.48/148,150.92 = 82,348.88/x
  3. Step 3: Cross multiply
    98,882.48x = 148,150.92 × 82,348.88
  4. Step 4: Simplify right side
    98,882.48x = 12,200,062,332.97
  5. Step 5: Solve for x
    x = 12,200,062,332.97/98,882.48
  6. Step 6: Final answer
    x = 123,379.41

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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.