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Finding the Fourth Proportional to 104.44, 144.09 and 82.63

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Solution

The fourth proportional to 104.44, 144.09 and 82.63 is: 114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.44 : 144.09 = 82.63 : x
  2. Step 2: Convert to fraction form
    104.44/144.09 = 82.63/x
  3. Step 3: Cross multiply
    104.44x = 144.09 × 82.63
  4. Step 4: Simplify right side
    104.44x = 11,906.16
  5. Step 5: Solve for x
    x = 11,906.16/104.44
  6. Step 6: Final answer
    x = 114.00

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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.