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Finding the Fourth Proportional to 71,162.10, 106,660.98 and 26,760.53

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Solution

The fourth proportional to 71,162.10, 106,660.98 and 26,760.53 is: 40,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,162.10 : 106,660.98 = 26,760.53 : x
  2. Step 2: Convert to fraction form
    71,162.10/106,660.98 = 26,760.53/x
  3. Step 3: Cross multiply
    71,162.10x = 106,660.98 × 26,760.53
  4. Step 4: Simplify right side
    71,162.10x = 2,854,304,621.77
  5. Step 5: Solve for x
    x = 2,854,304,621.77/71,162.10
  6. Step 6: Final answer
    x = 40,109.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.