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Finding the Fourth Proportional to 149.83, 224.57 and 63.14

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Solution

The fourth proportional to 149.83, 224.57 and 63.14 is: 94.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.83 : 224.57 = 63.14 : x
  2. Step 2: Convert to fraction form
    149.83/224.57 = 63.14/x
  3. Step 3: Cross multiply
    149.83x = 224.57 × 63.14
  4. Step 4: Simplify right side
    149.83x = 14,179.60
  5. Step 5: Solve for x
    x = 14,179.60/149.83
  6. Step 6: Final answer
    x = 94.64

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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.