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Finding the Fourth Proportional to 252.01, 347.72 and 169.22

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Solution

The fourth proportional to 252.01, 347.72 and 169.22 is: 233.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.01 : 347.72 = 169.22 : x
  2. Step 2: Convert to fraction form
    252.01/347.72 = 169.22/x
  3. Step 3: Cross multiply
    252.01x = 347.72 × 169.22
  4. Step 4: Simplify right side
    252.01x = 58,841.18
  5. Step 5: Solve for x
    x = 58,841.18/252.01
  6. Step 6: Final answer
    x = 233.49

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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.