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Finding the Fourth Proportional to 80,596.26, 120,894.78 and 27,288.72

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Solution

The fourth proportional to 80,596.26, 120,894.78 and 27,288.72 is: 40,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,596.26 : 120,894.78 = 27,288.72 : x
  2. Step 2: Convert to fraction form
    80,596.26/120,894.78 = 27,288.72/x
  3. Step 3: Cross multiply
    80,596.26x = 120,894.78 × 27,288.72
  4. Step 4: Simplify right side
    80,596.26x = 3,299,063,800.88
  5. Step 5: Solve for x
    x = 3,299,063,800.88/80,596.26
  6. Step 6: Final answer
    x = 40,933.21

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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.