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Finding the Fourth Proportional to 80,300.55, 110,813.32 and 44,489.85

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Solution

The fourth proportional to 80,300.55, 110,813.32 and 44,489.85 is: 61,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,300.55 : 110,813.32 = 44,489.85 : x
  2. Step 2: Convert to fraction form
    80,300.55/110,813.32 = 44,489.85/x
  3. Step 3: Cross multiply
    80,300.55x = 110,813.32 × 44,489.85
  4. Step 4: Simplify right side
    80,300.55x = 4,930,067,984.80
  5. Step 5: Solve for x
    x = 4,930,067,984.80/80,300.55
  6. Step 6: Final answer
    x = 61,395.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.