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Finding the Fourth Proportional to 149.92, 224.71 and 63.23

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Solution

The fourth proportional to 149.92, 224.71 and 63.23 is: 94.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.92 : 224.71 = 63.23 : x
  2. Step 2: Convert to fraction form
    149.92/224.71 = 63.23/x
  3. Step 3: Cross multiply
    149.92x = 224.71 × 63.23
  4. Step 4: Simplify right side
    149.92x = 14,207.29
  5. Step 5: Solve for x
    x = 14,207.29/149.92
  6. Step 6: Final answer
    x = 94.77

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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.