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Finding the Fourth Proportional to 224.42, 336.48 and 102.52

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Solution

The fourth proportional to 224.42, 336.48 and 102.52 is: 153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.42 : 336.48 = 102.52 : x
  2. Step 2: Convert to fraction form
    224.42/336.48 = 102.52/x
  3. Step 3: Cross multiply
    224.42x = 336.48 × 102.52
  4. Step 4: Simplify right side
    224.42x = 34,496.54
  5. Step 5: Solve for x
    x = 34,496.54/224.42
  6. Step 6: Final answer
    x = 153.72

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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.