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Finding the Fourth Proportional to 80,249.82, 110,708.01 and 51,964.62

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Solution

The fourth proportional to 80,249.82, 110,708.01 and 51,964.62 is: 71,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,249.82 : 110,708.01 = 51,964.62 : x
  2. Step 2: Convert to fraction form
    80,249.82/110,708.01 = 51,964.62/x
  3. Step 3: Cross multiply
    80,249.82x = 110,708.01 × 51,964.62
  4. Step 4: Simplify right side
    80,249.82x = 5,752,899,670.61
  5. Step 5: Solve for x
    x = 5,752,899,670.61/80,249.82
  6. Step 6: Final answer
    x = 71,687.38

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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.