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Finding the Fourth Proportional to 80,172.92, 120,260.76 and 23,999.96

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Solution

The fourth proportional to 80,172.92, 120,260.76 and 23,999.96 is: 36,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,172.92 : 120,260.76 = 23,999.96 : x
  2. Step 2: Convert to fraction form
    80,172.92/120,260.76 = 23,999.96/x
  3. Step 3: Cross multiply
    80,172.92x = 120,260.76 × 23,999.96
  4. Step 4: Simplify right side
    80,172.92x = 2,886,253,429.57
  5. Step 5: Solve for x
    x = 2,886,253,429.57/80,172.92
  6. Step 6: Final answer
    x = 36,000.35

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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.