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Finding the Fourth Proportional to 169.54, 233.81 and 107.26

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Solution

The fourth proportional to 169.54, 233.81 and 107.26 is: 147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.54 : 233.81 = 107.26 : x
  2. Step 2: Convert to fraction form
    169.54/233.81 = 107.26/x
  3. Step 3: Cross multiply
    169.54x = 233.81 × 107.26
  4. Step 4: Simplify right side
    169.54x = 25,079.02
  5. Step 5: Solve for x
    x = 25,079.02/169.54
  6. Step 6: Final answer
    x = 147.92

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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.