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Finding the Fourth Proportional to 363,694.92, 545,529.51 and 110,965.20

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Solution

The fourth proportional to 363,694.92, 545,529.51 and 110,965.20 is: 166,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,694.92 : 545,529.51 = 110,965.20 : x
  2. Step 2: Convert to fraction form
    363,694.92/545,529.51 = 110,965.20/x
  3. Step 3: Cross multiply
    363,694.92x = 545,529.51 × 110,965.20
  4. Step 4: Simplify right side
    363,694.92x = 60,534,791,183.05
  5. Step 5: Solve for x
    x = 60,534,791,183.05/363,694.92
  6. Step 6: Final answer
    x = 166,443.87

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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.