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Finding the Fourth Proportional to 68,414.67, 102,595.84 and 32,865.86

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Solution

The fourth proportional to 68,414.67, 102,595.84 and 32,865.86 is: 49,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,414.67 : 102,595.84 = 32,865.86 : x
  2. Step 2: Convert to fraction form
    68,414.67/102,595.84 = 32,865.86/x
  3. Step 3: Cross multiply
    68,414.67x = 102,595.84 × 32,865.86
  4. Step 4: Simplify right side
    68,414.67x = 3,371,900,514.02
  5. Step 5: Solve for x
    x = 3,371,900,514.02/68,414.67
  6. Step 6: Final answer
    x = 49,286.22

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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.