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Finding the Fourth Proportional to 80,339.97, 110,872.80 and 45,887.73

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Solution

The fourth proportional to 80,339.97, 110,872.80 and 45,887.73 is: 63,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,339.97 : 110,872.80 = 45,887.73 : x
  2. Step 2: Convert to fraction form
    80,339.97/110,872.80 = 45,887.73/x
  3. Step 3: Cross multiply
    80,339.97x = 110,872.80 × 45,887.73
  4. Step 4: Simplify right side
    80,339.97x = 5,087,700,694.97
  5. Step 5: Solve for x
    x = 5,087,700,694.97/80,339.97
  6. Step 6: Final answer
    x = 63,327.14

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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.