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Finding the Fourth Proportional to 68,601.20, 103,132.20 and 58,463.60

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Solution

The fourth proportional to 68,601.20, 103,132.20 and 58,463.60 is: 87,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,601.20 : 103,132.20 = 58,463.60 : x
  2. Step 2: Convert to fraction form
    68,601.20/103,132.20 = 58,463.60/x
  3. Step 3: Cross multiply
    68,601.20x = 103,132.20 × 58,463.60
  4. Step 4: Simplify right side
    68,601.20x = 6,029,479,687.92
  5. Step 5: Solve for x
    x = 6,029,479,687.92/68,601.20
  6. Step 6: Final answer
    x = 87,891.75

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1.5x scale

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.