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Finding the Fourth Proportional to 301.52, 416.06 and 168.73

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Solution

The fourth proportional to 301.52, 416.06 and 168.73 is: 232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.52 : 416.06 = 168.73 : x
  2. Step 2: Convert to fraction form
    301.52/416.06 = 168.73/x
  3. Step 3: Cross multiply
    301.52x = 416.06 × 168.73
  4. Step 4: Simplify right side
    301.52x = 70,201.86
  5. Step 5: Solve for x
    x = 70,201.86/301.52
  6. Step 6: Final answer
    x = 232.83

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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.