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Finding the Fourth Proportional to 192,169.72, 288,098.76 and 79,933.90

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Solution

The fourth proportional to 192,169.72, 288,098.76 and 79,933.90 is: 119,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,169.72 : 288,098.76 = 79,933.90 : x
  2. Step 2: Convert to fraction form
    192,169.72/288,098.76 = 79,933.90/x
  3. Step 3: Cross multiply
    192,169.72x = 288,098.76 × 79,933.90
  4. Step 4: Simplify right side
    192,169.72x = 23,028,857,471.96
  5. Step 5: Solve for x
    x = 23,028,857,471.96/192,169.72
  6. Step 6: Final answer
    x = 119,836.04

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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.