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Finding the Fourth Proportional to 224.92, 336.42 and 173.56

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Solution

The fourth proportional to 224.92, 336.42 and 173.56 is: 259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.92 : 336.42 = 173.56 : x
  2. Step 2: Convert to fraction form
    224.92/336.42 = 173.56/x
  3. Step 3: Cross multiply
    224.92x = 336.42 × 173.56
  4. Step 4: Simplify right side
    224.92x = 58,389.06
  5. Step 5: Solve for x
    x = 58,389.06/224.92
  6. Step 6: Final answer
    x = 259.60

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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.