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Finding the Fourth Proportional to 68,711.10, 103,035.06 and 24,339.30

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Solution

The fourth proportional to 68,711.10, 103,035.06 and 24,339.30 is: 36,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,711.10 : 103,035.06 = 24,339.30 : x
  2. Step 2: Convert to fraction form
    68,711.10/103,035.06 = 24,339.30/x
  3. Step 3: Cross multiply
    68,711.10x = 103,035.06 × 24,339.30
  4. Step 4: Simplify right side
    68,711.10x = 2,507,801,235.86
  5. Step 5: Solve for x
    x = 2,507,801,235.86/68,711.10
  6. Step 6: Final answer
    x = 36,497.76

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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.