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Finding the Fourth Proportional to 251.56, 346.98 and 174.04

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Solution

The fourth proportional to 251.56, 346.98 and 174.04 is: 240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.56 : 346.98 = 174.04 : x
  2. Step 2: Convert to fraction form
    251.56/346.98 = 174.04/x
  3. Step 3: Cross multiply
    251.56x = 346.98 × 174.04
  4. Step 4: Simplify right side
    251.56x = 60,388.40
  5. Step 5: Solve for x
    x = 60,388.40/251.56
  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.