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Finding the Fourth Proportional to 110.49, 165.67 and 33.43

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Solution

The fourth proportional to 110.49, 165.67 and 33.43 is: 50.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.49 : 165.67 = 33.43 : x
  2. Step 2: Convert to fraction form
    110.49/165.67 = 33.43/x
  3. Step 3: Cross multiply
    110.49x = 165.67 × 33.43
  4. Step 4: Simplify right side
    110.49x = 5,538.86
  5. Step 5: Solve for x
    x = 5,538.86/110.49
  6. Step 6: Final answer
    x = 50.13

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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.