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Finding the Fourth Proportional to 224.70, 336.62 and 116.60

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Solution

The fourth proportional to 224.70, 336.62 and 116.60 is: 174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.70 : 336.62 = 116.60 : x
  2. Step 2: Convert to fraction form
    224.70/336.62 = 116.60/x
  3. Step 3: Cross multiply
    224.70x = 336.62 × 116.60
  4. Step 4: Simplify right side
    224.70x = 39,249.89
  5. Step 5: Solve for x
    x = 39,249.89/224.70
  6. Step 6: Final answer
    x = 174.68

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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.