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Finding the Fourth Proportional to 73,791.20, 101,834.62 and 45,107.48

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Solution

The fourth proportional to 73,791.20, 101,834.62 and 45,107.48 is: 62,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,791.20 : 101,834.62 = 45,107.48 : x
  2. Step 2: Convert to fraction form
    73,791.20/101,834.62 = 45,107.48/x
  3. Step 3: Cross multiply
    73,791.20x = 101,834.62 × 45,107.48
  4. Step 4: Simplify right side
    73,791.20x = 4,593,503,226.78
  5. Step 5: Solve for x
    x = 4,593,503,226.78/73,791.20
  6. Step 6: Final answer
    x = 62,250.01

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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.