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Finding the Fourth Proportional to 80,072.79, 110,500.41 and 44,262.79

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Solution

The fourth proportional to 80,072.79, 110,500.41 and 44,262.79 is: 61,082.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,072.79 : 110,500.41 = 44,262.79 : x
  2. Step 2: Convert to fraction form
    80,072.79/110,500.41 = 44,262.79/x
  3. Step 3: Cross multiply
    80,072.79x = 110,500.41 × 44,262.79
  4. Step 4: Simplify right side
    80,072.79x = 4,891,056,221.43
  5. Step 5: Solve for x
    x = 4,891,056,221.43/80,072.79
  6. Step 6: Final answer
    x = 61,082.63

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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.