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Finding the Fourth Proportional to 224.18, 336.27 and 61.85

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Solution

The fourth proportional to 224.18, 336.27 and 61.85 is: 92.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.18 : 336.27 = 61.85 : x
  2. Step 2: Convert to fraction form
    224.18/336.27 = 61.85/x
  3. Step 3: Cross multiply
    224.18x = 336.27 × 61.85
  4. Step 4: Simplify right side
    224.18x = 20,796.62
  5. Step 5: Solve for x
    x = 20,796.62/224.18
  6. Step 6: Final answer
    x = 92.77

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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.