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Finding the Fourth Proportional to 80,321.82, 110,844.40 and 44,512.44

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Solution

The fourth proportional to 80,321.82, 110,844.40 and 44,512.44 is: 61,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,321.82 : 110,844.40 = 44,512.44 : x
  2. Step 2: Convert to fraction form
    80,321.82/110,844.40 = 44,512.44/x
  3. Step 3: Cross multiply
    80,321.82x = 110,844.40 × 44,512.44
  4. Step 4: Simplify right side
    80,321.82x = 4,933,954,704.34
  5. Step 5: Solve for x
    x = 4,933,954,704.34/80,321.82
  6. Step 6: Final answer
    x = 61,427.33

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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.