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Finding the Fourth Proportional to 80,546.01, 120,819.48 and 27,238.37

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Solution

The fourth proportional to 80,546.01, 120,819.48 and 27,238.37 is: 40,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,546.01 : 120,819.48 = 27,238.37 : x
  2. Step 2: Convert to fraction form
    80,546.01/120,819.48 = 27,238.37/x
  3. Step 3: Cross multiply
    80,546.01x = 120,819.48 × 27,238.37
  4. Step 4: Simplify right side
    80,546.01x = 3,290,925,095.35
  5. Step 5: Solve for x
    x = 3,290,925,095.35/80,546.01
  6. Step 6: Final answer
    x = 40,857.70

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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.