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Finding the Fourth Proportional to 180,687.75, 271,279.88 and 92,000.85

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Solution

The fourth proportional to 180,687.75, 271,279.88 and 92,000.85 is: 138,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,687.75 : 271,279.88 = 92,000.85 : x
  2. Step 2: Convert to fraction form
    180,687.75/271,279.88 = 92,000.85/x
  3. Step 3: Cross multiply
    180,687.75x = 271,279.88 × 92,000.85
  4. Step 4: Simplify right side
    180,687.75x = 24,957,979,547.90
  5. Step 5: Solve for x
    x = 24,957,979,547.90/180,687.75
  6. Step 6: Final answer
    x = 138,127.68

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1.5x scale

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.