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Finding the Fourth Proportional to 144.44, 216.71 and 110.24

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Solution

The fourth proportional to 144.44, 216.71 and 110.24 is: 165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.44 : 216.71 = 110.24 : x
  2. Step 2: Convert to fraction form
    144.44/216.71 = 110.24/x
  3. Step 3: Cross multiply
    144.44x = 216.71 × 110.24
  4. Step 4: Simplify right side
    144.44x = 23,890.11
  5. Step 5: Solve for x
    x = 23,890.11/144.44
  6. Step 6: Final answer
    x = 165.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.