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Finding the Fourth Proportional to 168.51, 232.44 and 127

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Solution

The fourth proportional to 168.51, 232.44 and 127 is: 175.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.51 : 232.44 = 127 : x
  2. Step 2: Convert to fraction form
    168.51/232.44 = 127/x
  3. Step 3: Cross multiply
    168.51x = 232.44 × 127
  4. Step 4: Simplify right side
    168.51x = 29,519.88
  5. Step 5: Solve for x
    x = 29,519.88/168.51
  6. Step 6: Final answer
    x = 175.18

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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.