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Finding the Fourth Proportional to 253.92, 350.46 and 166.54

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Solution

The fourth proportional to 253.92, 350.46 and 166.54 is: 229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.92 : 350.46 = 166.54 : x
  2. Step 2: Convert to fraction form
    253.92/350.46 = 166.54/x
  3. Step 3: Cross multiply
    253.92x = 350.46 × 166.54
  4. Step 4: Simplify right side
    253.92x = 58,365.61
  5. Step 5: Solve for x
    x = 58,365.61/253.92
  6. Step 6: Final answer
    x = 229.86

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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.