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Finding the Fourth Proportional to 68,753.56, 103,226.12 and 35,497.60

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Solution

The fourth proportional to 68,753.56, 103,226.12 and 35,497.60 is: 53,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,753.56 : 103,226.12 = 35,497.60 : x
  2. Step 2: Convert to fraction form
    68,753.56/103,226.12 = 35,497.60/x
  3. Step 3: Cross multiply
    68,753.56x = 103,226.12 × 35,497.60
  4. Step 4: Simplify right side
    68,753.56x = 3,664,279,517.31
  5. Step 5: Solve for x
    x = 3,664,279,517.31/68,753.56
  6. Step 6: Final answer
    x = 53,295.85

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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.