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Finding the Fourth Proportional to 224.28, 336.14 and 108.60

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Solution

The fourth proportional to 224.28, 336.14 and 108.60 is: 162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.28 : 336.14 = 108.60 : x
  2. Step 2: Convert to fraction form
    224.28/336.14 = 108.60/x
  3. Step 3: Cross multiply
    224.28x = 336.14 × 108.60
  4. Step 4: Simplify right side
    224.28x = 36,504.80
  5. Step 5: Solve for x
    x = 36,504.80/224.28
  6. Step 6: Final answer
    x = 162.76

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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.