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Finding the Fourth Proportional to 149.54, 224.25 and 52.04

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Solution

The fourth proportional to 149.54, 224.25 and 52.04 is: 78.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.54 : 224.25 = 52.04 : x
  2. Step 2: Convert to fraction form
    149.54/224.25 = 52.04/x
  3. Step 3: Cross multiply
    149.54x = 224.25 × 52.04
  4. Step 4: Simplify right side
    149.54x = 11,668.85
  5. Step 5: Solve for x
    x = 11,668.85/149.54
  6. Step 6: Final answer
    x = 78.03

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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.