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Finding the Fourth Proportional to 110.44, 165.61 and 44.54

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Solution

The fourth proportional to 110.44, 165.61 and 44.54 is: 66.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.44 : 165.61 = 44.54 : x
  2. Step 2: Convert to fraction form
    110.44/165.61 = 44.54/x
  3. Step 3: Cross multiply
    110.44x = 165.61 × 44.54
  4. Step 4: Simplify right side
    110.44x = 7,376.05
  5. Step 5: Solve for x
    x = 7,376.05/110.44
  6. Step 6: Final answer
    x = 66.79

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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.