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Finding the Fourth Proportional to 80,588.96, 120,923.04 and 36,247.04

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Solution

The fourth proportional to 80,588.96, 120,923.04 and 36,247.04 is: 54,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,588.96 : 120,923.04 = 36,247.04 : x
  2. Step 2: Convert to fraction form
    80,588.96/120,923.04 = 36,247.04/x
  3. Step 3: Cross multiply
    80,588.96x = 120,923.04 × 36,247.04
  4. Step 4: Simplify right side
    80,588.96x = 4,383,102,267.80
  5. Step 5: Solve for x
    x = 4,383,102,267.80/80,588.96
  6. Step 6: Final answer
    x = 54,388.37

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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.