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Finding the Fourth Proportional to 252.32, 348.22 and 147.44

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Solution

The fourth proportional to 252.32, 348.22 and 147.44 is: 203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.32 : 348.22 = 147.44 : x
  2. Step 2: Convert to fraction form
    252.32/348.22 = 147.44/x
  3. Step 3: Cross multiply
    252.32x = 348.22 × 147.44
  4. Step 4: Simplify right side
    252.32x = 51,341.56
  5. Step 5: Solve for x
    x = 51,341.56/252.32
  6. Step 6: Final answer
    x = 203.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.