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Finding the Fourth Proportional to 224.28, 336.44 and 61.96

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Solution

The fourth proportional to 224.28, 336.44 and 61.96 is: 92.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.28 : 336.44 = 61.96 : x
  2. Step 2: Convert to fraction form
    224.28/336.44 = 61.96/x
  3. Step 3: Cross multiply
    224.28x = 336.44 × 61.96
  4. Step 4: Simplify right side
    224.28x = 20,845.51
  5. Step 5: Solve for x
    x = 20,845.51/224.28
  6. Step 6: Final answer
    x = 92.94

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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.