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Finding the Fourth Proportional to 80,171.92, 120,259.26 and 23,998.96

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Solution

The fourth proportional to 80,171.92, 120,259.26 and 23,998.96 is: 35,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,171.92 : 120,259.26 = 23,998.96 : x
  2. Step 2: Convert to fraction form
    80,171.92/120,259.26 = 23,998.96/x
  3. Step 3: Cross multiply
    80,171.92x = 120,259.26 × 23,998.96
  4. Step 4: Simplify right side
    80,171.92x = 2,886,097,170.37
  5. Step 5: Solve for x
    x = 2,886,097,170.37/80,171.92
  6. Step 6: Final answer
    x = 35,998.85

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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.