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Finding the Fourth Proportional to 224.26, 336.38 and 102.49

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Solution

The fourth proportional to 224.26, 336.38 and 102.49 is: 153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.26 : 336.38 = 102.49 : x
  2. Step 2: Convert to fraction form
    224.26/336.38 = 102.49/x
  3. Step 3: Cross multiply
    224.26x = 336.38 × 102.49
  4. Step 4: Simplify right side
    224.26x = 34,474.16
  5. Step 5: Solve for x
    x = 34,474.16/224.26
  6. Step 6: Final answer
    x = 153.73

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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.