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Finding the Fourth Proportional to 110.48, 165.36 and 95.96

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Solution

The fourth proportional to 110.48, 165.36 and 95.96 is: 143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.48 : 165.36 = 95.96 : x
  2. Step 2: Convert to fraction form
    110.48/165.36 = 95.96/x
  3. Step 3: Cross multiply
    110.48x = 165.36 × 95.96
  4. Step 4: Simplify right side
    110.48x = 15,867.95
  5. Step 5: Solve for x
    x = 15,867.95/110.48
  6. Step 6: Final answer
    x = 143.63

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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.