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Finding the Fourth Proportional to 68,812.52, 103,229.06 and 24,435.56

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Solution

The fourth proportional to 68,812.52, 103,229.06 and 24,435.56 is: 36,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,812.52 : 103,229.06 = 24,435.56 : x
  2. Step 2: Convert to fraction form
    68,812.52/103,229.06 = 24,435.56/x
  3. Step 3: Cross multiply
    68,812.52x = 103,229.06 × 24,435.56
  4. Step 4: Simplify right side
    68,812.52x = 2,522,459,251.05
  5. Step 5: Solve for x
    x = 2,522,459,251.05/68,812.52
  6. Step 6: Final answer
    x = 36,656.98

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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.