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Finding the Fourth Proportional to 224.24, 336.36 and 102.54

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Solution

The fourth proportional to 224.24, 336.36 and 102.54 is: 153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.24 : 336.36 = 102.54 : x
  2. Step 2: Convert to fraction form
    224.24/336.36 = 102.54/x
  3. Step 3: Cross multiply
    224.24x = 336.36 × 102.54
  4. Step 4: Simplify right side
    224.24x = 34,490.35
  5. Step 5: Solve for x
    x = 34,490.35/224.24
  6. Step 6: Final answer
    x = 153.81

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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.