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Finding the Fourth Proportional to 144.35, 216.59 and 110.33

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Solution

The fourth proportional to 144.35, 216.59 and 110.33 is: 165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.35 : 216.59 = 110.33 : x
  2. Step 2: Convert to fraction form
    144.35/216.59 = 110.33/x
  3. Step 3: Cross multiply
    144.35x = 216.59 × 110.33
  4. Step 4: Simplify right side
    144.35x = 23,895.57
  5. Step 5: Solve for x
    x = 23,895.57/144.35
  6. Step 6: Final answer
    x = 165.54

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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.