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Finding the Fourth Proportional to 168.37, 232.23 and 98.41

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Solution

The fourth proportional to 168.37, 232.23 and 98.41 is: 135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.37 : 232.23 = 98.41 : x
  2. Step 2: Convert to fraction form
    168.37/232.23 = 98.41/x
  3. Step 3: Cross multiply
    168.37x = 232.23 × 98.41
  4. Step 4: Simplify right side
    168.37x = 22,853.75
  5. Step 5: Solve for x
    x = 22,853.75/168.37
  6. Step 6: Final answer
    x = 135.74

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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.