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Finding the Fourth Proportional to 181,882.80, 272,694.60 and 69,519.60

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Solution

The fourth proportional to 181,882.80, 272,694.60 and 69,519.60 is: 104,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,882.80 : 272,694.60 = 69,519.60 : x
  2. Step 2: Convert to fraction form
    181,882.80/272,694.60 = 69,519.60/x
  3. Step 3: Cross multiply
    181,882.80x = 272,694.60 × 69,519.60
  4. Step 4: Simplify right side
    181,882.80x = 18,957,619,514.16
  5. Step 5: Solve for x
    x = 18,957,619,514.16/181,882.80
  6. Step 6: Final answer
    x = 104,229.86

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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.