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Finding the Fourth Proportional to 68,269.44, 102,433.92 and 23,928.12

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Solution

The fourth proportional to 68,269.44, 102,433.92 and 23,928.12 is: 35,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,269.44 : 102,433.92 = 23,928.12 : x
  2. Step 2: Convert to fraction form
    68,269.44/102,433.92 = 23,928.12/x
  3. Step 3: Cross multiply
    68,269.44x = 102,433.92 × 23,928.12
  4. Step 4: Simplify right side
    68,269.44x = 2,451,051,129.83
  5. Step 5: Solve for x
    x = 2,451,051,129.83/68,269.44
  6. Step 6: Final answer
    x = 35,902.61

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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.