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Finding the Fourth Proportional to 182,016.80, 273,025.20 and 128,872.70

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Solution

The fourth proportional to 182,016.80, 273,025.20 and 128,872.70 is: 193,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,016.80 : 273,025.20 = 128,872.70 : x
  2. Step 2: Convert to fraction form
    182,016.80/273,025.20 = 128,872.70/x
  3. Step 3: Cross multiply
    182,016.80x = 273,025.20 × 128,872.70
  4. Step 4: Simplify right side
    182,016.80x = 35,185,494,692.04
  5. Step 5: Solve for x
    x = 35,185,494,692.04/182,016.80
  6. Step 6: Final answer
    x = 193,309.05

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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.