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Finding the Fourth Proportional to 275,753.65, 413,581.20 and 73,350.85

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Solution

The fourth proportional to 275,753.65, 413,581.20 and 73,350.85 is: 110,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,753.65 : 413,581.20 = 73,350.85 : x
  2. Step 2: Convert to fraction form
    275,753.65/413,581.20 = 73,350.85/x
  3. Step 3: Cross multiply
    275,753.65x = 413,581.20 × 73,350.85
  4. Step 4: Simplify right side
    275,753.65x = 30,336,532,564.02
  5. Step 5: Solve for x
    x = 30,336,532,564.02/275,753.65
  6. Step 6: Final answer
    x = 110,013.17

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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.