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Finding the Fourth Proportional to 168.33, 232.47 and 124.59

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Solution

The fourth proportional to 168.33, 232.47 and 124.59 is: 172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.33 : 232.47 = 124.59 : x
  2. Step 2: Convert to fraction form
    168.33/232.47 = 124.59/x
  3. Step 3: Cross multiply
    168.33x = 232.47 × 124.59
  4. Step 4: Simplify right side
    168.33x = 28,963.00
  5. Step 5: Solve for x
    x = 28,963.00/168.33
  6. Step 6: Final answer
    x = 172.06

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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.