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Finding the Fourth Proportional to 149,463.91, 206,143.56 and 95,753.92

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Solution

The fourth proportional to 149,463.91, 206,143.56 and 95,753.92 is: 132,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,463.91 : 206,143.56 = 95,753.92 : x
  2. Step 2: Convert to fraction form
    149,463.91/206,143.56 = 95,753.92/x
  3. Step 3: Cross multiply
    149,463.91x = 206,143.56 × 95,753.92
  4. Step 4: Simplify right side
    149,463.91x = 19,739,053,952.76
  5. Step 5: Solve for x
    x = 19,739,053,952.76/149,463.91
  6. Step 6: Final answer
    x = 132,065.69

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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.