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Finding the Fourth Proportional to 179,790.88, 269,715.57 and 67,479.92

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Solution

The fourth proportional to 179,790.88, 269,715.57 and 67,479.92 is: 101,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,790.88 : 269,715.57 = 67,479.92 : x
  2. Step 2: Convert to fraction form
    179,790.88/269,715.57 = 67,479.92/x
  3. Step 3: Cross multiply
    179,790.88x = 269,715.57 × 67,479.92
  4. Step 4: Simplify right side
    179,790.88x = 18,200,385,086.35
  5. Step 5: Solve for x
    x = 18,200,385,086.35/179,790.88
  6. Step 6: Final answer
    x = 101,230.86

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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.