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Finding the Fourth Proportional to 252.95, 348.74 and 174.12

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Solution

The fourth proportional to 252.95, 348.74 and 174.12 is: 240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.95 : 348.74 = 174.12 : x
  2. Step 2: Convert to fraction form
    252.95/348.74 = 174.12/x
  3. Step 3: Cross multiply
    252.95x = 348.74 × 174.12
  4. Step 4: Simplify right side
    252.95x = 60,722.61
  5. Step 5: Solve for x
    x = 60,722.61/252.95
  6. Step 6: Final answer
    x = 240.06

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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.