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Finding the Fourth Proportional to 180,687.89, 271,045.20 and 54,318.17

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Solution

The fourth proportional to 180,687.89, 271,045.20 and 54,318.17 is: 81,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,687.89 : 271,045.20 = 54,318.17 : x
  2. Step 2: Convert to fraction form
    180,687.89/271,045.20 = 54,318.17/x
  3. Step 3: Cross multiply
    180,687.89x = 271,045.20 × 54,318.17
  4. Step 4: Simplify right side
    180,687.89x = 14,722,679,251.28
  5. Step 5: Solve for x
    x = 14,722,679,251.28/180,687.89
  6. Step 6: Final answer
    x = 81,481.27

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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.