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Finding the Fourth Proportional to 110.32, 165.44 and 29.14

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Solution

The fourth proportional to 110.32, 165.44 and 29.14 is: 43.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.32 : 165.44 = 29.14 : x
  2. Step 2: Convert to fraction form
    110.32/165.44 = 29.14/x
  3. Step 3: Cross multiply
    110.32x = 165.44 × 29.14
  4. Step 4: Simplify right side
    110.32x = 4,820.58
  5. Step 5: Solve for x
    x = 4,820.58/110.32
  6. Step 6: Final answer
    x = 43.70

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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.