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Finding the Fourth Proportional to 132,995.94, 199,268.40 and 80,294.73

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Solution

The fourth proportional to 132,995.94, 199,268.40 and 80,294.73 is: 120,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,995.94 : 199,268.40 = 80,294.73 : x
  2. Step 2: Convert to fraction form
    132,995.94/199,268.40 = 80,294.73/x
  3. Step 3: Cross multiply
    132,995.94x = 199,268.40 × 80,294.73
  4. Step 4: Simplify right side
    132,995.94x = 16,000,202,375.53
  5. Step 5: Solve for x
    x = 16,000,202,375.53/132,995.94
  6. Step 6: Final answer
    x = 120,305.95

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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.