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Finding the Fourth Proportional to 80,318.80, 110,844.40 and 44,508.06

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Solution

The fourth proportional to 80,318.80, 110,844.40 and 44,508.06 is: 61,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,318.80 : 110,844.40 = 44,508.06 : x
  2. Step 2: Convert to fraction form
    80,318.80/110,844.40 = 44,508.06/x
  3. Step 3: Cross multiply
    80,318.80x = 110,844.40 × 44,508.06
  4. Step 4: Simplify right side
    80,318.80x = 4,933,469,205.86
  5. Step 5: Solve for x
    x = 4,933,469,205.86/80,318.80
  6. Step 6: Final answer
    x = 61,423.59

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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.