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Finding the Fourth Proportional to 70,687.74, 106,044.60 and 23,305.62

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Solution

The fourth proportional to 70,687.74, 106,044.60 and 23,305.62 is: 34,962.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,687.74 : 106,044.60 = 23,305.62 : x
  2. Step 2: Convert to fraction form
    70,687.74/106,044.60 = 23,305.62/x
  3. Step 3: Cross multiply
    70,687.74x = 106,044.60 × 23,305.62
  4. Step 4: Simplify right side
    70,687.74x = 2,471,435,150.65
  5. Step 5: Solve for x
    x = 2,471,435,150.65/70,687.74
  6. Step 6: Final answer
    x = 34,962.71

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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.