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Finding the Fourth Proportional to 80,187.68, 110,662.47 and 44,377.70

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Solution

The fourth proportional to 80,187.68, 110,662.47 and 44,377.70 is: 61,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,187.68 : 110,662.47 = 44,377.70 : x
  2. Step 2: Convert to fraction form
    80,187.68/110,662.47 = 44,377.70/x
  3. Step 3: Cross multiply
    80,187.68x = 110,662.47 × 44,377.70
  4. Step 4: Simplify right side
    80,187.68x = 4,910,945,894.92
  5. Step 5: Solve for x
    x = 4,910,945,894.92/80,187.68
  6. Step 6: Final answer
    x = 61,243.15

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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.