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Finding the Fourth Proportional to 80,471.94, 111,049.61 and 44,661.70

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Solution

The fourth proportional to 80,471.94, 111,049.61 and 44,661.70 is: 61,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,471.94 : 111,049.61 = 44,661.70 : x
  2. Step 2: Convert to fraction form
    80,471.94/111,049.61 = 44,661.70/x
  3. Step 3: Cross multiply
    80,471.94x = 111,049.61 × 44,661.70
  4. Step 4: Simplify right side
    80,471.94x = 4,959,664,366.94
  5. Step 5: Solve for x
    x = 4,959,664,366.94/80,471.94
  6. Step 6: Final answer
    x = 61,632.22

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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.