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Finding the Fourth Proportional to 110.33, 165.52 and 49.48

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Solution

The fourth proportional to 110.33, 165.52 and 49.48 is: 74.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.33 : 165.52 = 49.48 : x
  2. Step 2: Convert to fraction form
    110.33/165.52 = 49.48/x
  3. Step 3: Cross multiply
    110.33x = 165.52 × 49.48
  4. Step 4: Simplify right side
    110.33x = 8,188.85
  5. Step 5: Solve for x
    x = 8,188.85/110.33
  6. Step 6: Final answer
    x = 74.22

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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.