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Finding the Fourth Proportional to 110.52, 165.78 and 29.36

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Solution

The fourth proportional to 110.52, 165.78 and 29.36 is: 44.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.52 : 165.78 = 29.36 : x
  2. Step 2: Convert to fraction form
    110.52/165.78 = 29.36/x
  3. Step 3: Cross multiply
    110.52x = 165.78 × 29.36
  4. Step 4: Simplify right side
    110.52x = 4,867.30
  5. Step 5: Solve for x
    x = 4,867.30/110.52
  6. Step 6: Final answer
    x = 44.04

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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.