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Finding the Fourth Proportional to 167,761.50, 231,512.49 and 92,311.62

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Solution

The fourth proportional to 167,761.50, 231,512.49 and 92,311.62 is: 127,390.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,761.50 : 231,512.49 = 92,311.62 : x
  2. Step 2: Convert to fraction form
    167,761.50/231,512.49 = 92,311.62/x
  3. Step 3: Cross multiply
    167,761.50x = 231,512.49 × 92,311.62
  4. Step 4: Simplify right side
    167,761.50x = 21,371,293,002.13
  5. Step 5: Solve for x
    x = 21,371,293,002.13/167,761.50
  6. Step 6: Final answer
    x = 127,390.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.