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Finding the Fourth Proportional to 224.41, 336.49 and 102.58

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Solution

The fourth proportional to 224.41, 336.49 and 102.58 is: 153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.41 : 336.49 = 102.58 : x
  2. Step 2: Convert to fraction form
    224.41/336.49 = 102.58/x
  3. Step 3: Cross multiply
    224.41x = 336.49 × 102.58
  4. Step 4: Simplify right side
    224.41x = 34,517.14
  5. Step 5: Solve for x
    x = 34,517.14/224.41
  6. Step 6: Final answer
    x = 153.81

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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.