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Finding the Fourth Proportional to 169.27, 233.75 and 114.10

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Solution

The fourth proportional to 169.27, 233.75 and 114.10 is: 157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.27 : 233.75 = 114.10 : x
  2. Step 2: Convert to fraction form
    169.27/233.75 = 114.10/x
  3. Step 3: Cross multiply
    169.27x = 233.75 × 114.10
  4. Step 4: Simplify right side
    169.27x = 26,670.88
  5. Step 5: Solve for x
    x = 26,670.88/169.27
  6. Step 6: Final answer
    x = 157.56

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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.