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Finding the Fourth Proportional to 159,310.97, 219,870.13 and 95,652.86

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Solution

The fourth proportional to 159,310.97, 219,870.13 and 95,652.86 is: 132,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,310.97 : 219,870.13 = 95,652.86 : x
  2. Step 2: Convert to fraction form
    159,310.97/219,870.13 = 95,652.86/x
  3. Step 3: Cross multiply
    159,310.97x = 219,870.13 × 95,652.86
  4. Step 4: Simplify right side
    159,310.97x = 21,031,207,073.62
  5. Step 5: Solve for x
    x = 21,031,207,073.62/159,310.97
  6. Step 6: Final answer
    x = 132,013.56

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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.