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Finding the Fourth Proportional to 144.44, 199.11 and 95.23

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Solution

The fourth proportional to 144.44, 199.11 and 95.23 is: 131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.44 : 199.11 = 95.23 : x
  2. Step 2: Convert to fraction form
    144.44/199.11 = 95.23/x
  3. Step 3: Cross multiply
    144.44x = 199.11 × 95.23
  4. Step 4: Simplify right side
    144.44x = 18,961.25
  5. Step 5: Solve for x
    x = 18,961.25/144.44
  6. Step 6: Final answer
    x = 131.27

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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.