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Finding the Fourth Proportional to 110.24, 165.44 and 46.12

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Solution

The fourth proportional to 110.24, 165.44 and 46.12 is: 69.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.24 : 165.44 = 46.12 : x
  2. Step 2: Convert to fraction form
    110.24/165.44 = 46.12/x
  3. Step 3: Cross multiply
    110.24x = 165.44 × 46.12
  4. Step 4: Simplify right side
    110.24x = 7,630.09
  5. Step 5: Solve for x
    x = 7,630.09/110.24
  6. Step 6: Final answer
    x = 69.21

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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.