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Finding the Fourth Proportional to 73,930.17, 110,862.45 and 45,849.09

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Solution

The fourth proportional to 73,930.17, 110,862.45 and 45,849.09 is: 68,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,930.17 : 110,862.45 = 45,849.09 : x
  2. Step 2: Convert to fraction form
    73,930.17/110,862.45 = 45,849.09/x
  3. Step 3: Cross multiply
    73,930.17x = 110,862.45 × 45,849.09
  4. Step 4: Simplify right side
    73,930.17x = 5,082,942,110.85
  5. Step 5: Solve for x
    x = 5,082,942,110.85/73,930.17
  6. Step 6: Final answer
    x = 68,753.29

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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.