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Finding the Fourth Proportional to 134,151.38, 185,125.17 and 73,722

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Solution

The fourth proportional to 134,151.38, 185,125.17 and 73,722 is: 101,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,151.38 : 185,125.17 = 73,722 : x
  2. Step 2: Convert to fraction form
    134,151.38/185,125.17 = 73,722/x
  3. Step 3: Cross multiply
    134,151.38x = 185,125.17 × 73,722
  4. Step 4: Simplify right side
    134,151.38x = 13,647,797,782.74
  5. Step 5: Solve for x
    x = 13,647,797,782.74/134,151.38
  6. Step 6: Final answer
    x = 101,734.31

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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.