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Finding the Fourth Proportional to 178.97, 246.89 and 175.73

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Solution

The fourth proportional to 178.97, 246.89 and 175.73 is: 242.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.97 : 246.89 = 175.73 : x
  2. Step 2: Convert to fraction form
    178.97/246.89 = 175.73/x
  3. Step 3: Cross multiply
    178.97x = 246.89 × 175.73
  4. Step 4: Simplify right side
    178.97x = 43,385.10
  5. Step 5: Solve for x
    x = 43,385.10/178.97
  6. Step 6: Final answer
    x = 242.42

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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.