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Finding the Fourth Proportional to 252.36, 348.22 and 169.34

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Solution

The fourth proportional to 252.36, 348.22 and 169.34 is: 233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.36 : 348.22 = 169.34 : x
  2. Step 2: Convert to fraction form
    252.36/348.22 = 169.34/x
  3. Step 3: Cross multiply
    252.36x = 348.22 × 169.34
  4. Step 4: Simplify right side
    252.36x = 58,967.57
  5. Step 5: Solve for x
    x = 58,967.57/252.36
  6. Step 6: Final answer
    x = 233.66

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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.