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Finding the Fourth Proportional to 144.44, 199.24 and 114.92

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Solution

The fourth proportional to 144.44, 199.24 and 114.92 is: 158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.44 : 199.24 = 114.92 : x
  2. Step 2: Convert to fraction form
    144.44/199.24 = 114.92/x
  3. Step 3: Cross multiply
    144.44x = 199.24 × 114.92
  4. Step 4: Simplify right side
    144.44x = 22,896.66
  5. Step 5: Solve for x
    x = 22,896.66/144.44
  6. Step 6: Final answer
    x = 158.52

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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.