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Finding the Fourth Proportional to 180,380.88, 270,633.33 and 80,609.94

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Solution

The fourth proportional to 180,380.88, 270,633.33 and 80,609.94 is: 120,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,380.88 : 270,633.33 = 80,609.94 : x
  2. Step 2: Convert to fraction form
    180,380.88/270,633.33 = 80,609.94/x
  3. Step 3: Cross multiply
    180,380.88x = 270,633.33 × 80,609.94
  4. Step 4: Simplify right side
    180,380.88x = 21,815,736,493.30
  5. Step 5: Solve for x
    x = 21,815,736,493.30/180,380.88
  6. Step 6: Final answer
    x = 120,942.62

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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.