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Finding the Fourth Proportional to 169.11, 233.36 and 95.43

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Solution

The fourth proportional to 169.11, 233.36 and 95.43 is: 131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.11 : 233.36 = 95.43 : x
  2. Step 2: Convert to fraction form
    169.11/233.36 = 95.43/x
  3. Step 3: Cross multiply
    169.11x = 233.36 × 95.43
  4. Step 4: Simplify right side
    169.11x = 22,268.72
  5. Step 5: Solve for x
    x = 22,268.72/169.11
  6. Step 6: Final answer
    x = 131.68

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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.