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Finding the Fourth Proportional to 82,753.26, 114,198.39 and 45,027.42

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Solution

The fourth proportional to 82,753.26, 114,198.39 and 45,027.42 is: 62,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,753.26 : 114,198.39 = 45,027.42 : x
  2. Step 2: Convert to fraction form
    82,753.26/114,198.39 = 45,027.42/x
  3. Step 3: Cross multiply
    82,753.26x = 114,198.39 × 45,027.42
  4. Step 4: Simplify right side
    82,753.26x = 5,142,058,869.85
  5. Step 5: Solve for x
    x = 5,142,058,869.85/82,753.26
  6. Step 6: Final answer
    x = 62,137.24

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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.