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Finding the Fourth Proportional to 229.06, 343.24 and 177.58

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Solution

The fourth proportional to 229.06, 343.24 and 177.58 is: 266.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.06 : 343.24 = 177.58 : x
  2. Step 2: Convert to fraction form
    229.06/343.24 = 177.58/x
  3. Step 3: Cross multiply
    229.06x = 343.24 × 177.58
  4. Step 4: Simplify right side
    229.06x = 60,951.61
  5. Step 5: Solve for x
    x = 60,951.61/229.06
  6. Step 6: Final answer
    x = 266.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.