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Finding the Fourth Proportional to 149.90, 224.94 and 63.27

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Solution

The fourth proportional to 149.90, 224.94 and 63.27 is: 94.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.90 : 224.94 = 63.27 : x
  2. Step 2: Convert to fraction form
    149.90/224.94 = 63.27/x
  3. Step 3: Cross multiply
    149.90x = 224.94 × 63.27
  4. Step 4: Simplify right side
    149.90x = 14,231.95
  5. Step 5: Solve for x
    x = 14,231.95/149.90
  6. Step 6: Final answer
    x = 94.95

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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.