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Finding the Fourth Proportional to 114,170.92, 171,213.78 and 39,269.86

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Solution

The fourth proportional to 114,170.92, 171,213.78 and 39,269.86 is: 58,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,170.92 : 171,213.78 = 39,269.86 : x
  2. Step 2: Convert to fraction form
    114,170.92/171,213.78 = 39,269.86/x
  3. Step 3: Cross multiply
    114,170.92x = 171,213.78 × 39,269.86
  4. Step 4: Simplify right side
    114,170.92x = 6,723,541,170.67
  5. Step 5: Solve for x
    x = 6,723,541,170.67/114,170.92
  6. Step 6: Final answer
    x = 58,890.14

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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.