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Finding the Fourth Proportional to 168.96, 233.15 and 95.28

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Solution

The fourth proportional to 168.96, 233.15 and 95.28 is: 131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.96 : 233.15 = 95.28 : x
  2. Step 2: Convert to fraction form
    168.96/233.15 = 95.28/x
  3. Step 3: Cross multiply
    168.96x = 233.15 × 95.28
  4. Step 4: Simplify right side
    168.96x = 22,214.06
  5. Step 5: Solve for x
    x = 22,214.06/168.96
  6. Step 6: Final answer
    x = 131.48

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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.