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Finding the Fourth Proportional to 68,616.75, 102,874.28 and 32,575.37

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Solution

The fourth proportional to 68,616.75, 102,874.28 and 32,575.37 is: 48,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,616.75 : 102,874.28 = 32,575.37 : x
  2. Step 2: Convert to fraction form
    68,616.75/102,874.28 = 32,575.37/x
  3. Step 3: Cross multiply
    68,616.75x = 102,874.28 × 32,575.37
  4. Step 4: Simplify right side
    68,616.75x = 3,351,167,148.85
  5. Step 5: Solve for x
    x = 3,351,167,148.85/68,616.75
  6. Step 6: Final answer
    x = 48,838.91

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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.