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Finding the Fourth Proportional to 252.07, 347.73 and 169.18

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Solution

The fourth proportional to 252.07, 347.73 and 169.18 is: 233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.07 : 347.73 = 169.18 : x
  2. Step 2: Convert to fraction form
    252.07/347.73 = 169.18/x
  3. Step 3: Cross multiply
    252.07x = 347.73 × 169.18
  4. Step 4: Simplify right side
    252.07x = 58,828.12
  5. Step 5: Solve for x
    x = 58,828.12/252.07
  6. Step 6: Final answer
    x = 233.38

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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.