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Finding the Fourth Proportional to 169.48, 233.89 and 111.27

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Solution

The fourth proportional to 169.48, 233.89 and 111.27 is: 153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.48 : 233.89 = 111.27 : x
  2. Step 2: Convert to fraction form
    169.48/233.89 = 111.27/x
  3. Step 3: Cross multiply
    169.48x = 233.89 × 111.27
  4. Step 4: Simplify right side
    169.48x = 26,024.94
  5. Step 5: Solve for x
    x = 26,024.94/169.48
  6. Step 6: Final answer
    x = 153.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.