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Finding the Fourth Proportional to 73,862.57, 101,930.26 and 43,658.79

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Solution

The fourth proportional to 73,862.57, 101,930.26 and 43,658.79 is: 60,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,862.57 : 101,930.26 = 43,658.79 : x
  2. Step 2: Convert to fraction form
    73,862.57/101,930.26 = 43,658.79/x
  3. Step 3: Cross multiply
    73,862.57x = 101,930.26 × 43,658.79
  4. Step 4: Simplify right side
    73,862.57x = 4,450,151,306.33
  5. Step 5: Solve for x
    x = 4,450,151,306.33/73,862.57
  6. Step 6: Final answer
    x = 60,249.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.