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Finding the Fourth Proportional to 169.22, 233.51 and 95.54

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Solution

The fourth proportional to 169.22, 233.51 and 95.54 is: 131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.22 : 233.51 = 95.54 : x
  2. Step 2: Convert to fraction form
    169.22/233.51 = 95.54/x
  3. Step 3: Cross multiply
    169.22x = 233.51 × 95.54
  4. Step 4: Simplify right side
    169.22x = 22,309.55
  5. Step 5: Solve for x
    x = 22,309.55/169.22
  6. Step 6: Final answer
    x = 131.84

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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.