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Finding the Fourth Proportional to 149.24, 223.50 and 133.04

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Solution

The fourth proportional to 149.24, 223.50 and 133.04 is: 199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.24 : 223.50 = 133.04 : x
  2. Step 2: Convert to fraction form
    149.24/223.50 = 133.04/x
  3. Step 3: Cross multiply
    149.24x = 223.50 × 133.04
  4. Step 4: Simplify right side
    149.24x = 29,734.44
  5. Step 5: Solve for x
    x = 29,734.44/149.24
  6. Step 6: Final answer
    x = 199.24

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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.