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Finding the Fourth Proportional to 169.36, 233.84 and 110.43

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Solution

The fourth proportional to 169.36, 233.84 and 110.43 is: 152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.36 : 233.84 = 110.43 : x
  2. Step 2: Convert to fraction form
    169.36/233.84 = 110.43/x
  3. Step 3: Cross multiply
    169.36x = 233.84 × 110.43
  4. Step 4: Simplify right side
    169.36x = 25,822.40
  5. Step 5: Solve for x
    x = 25,822.40/169.36
  6. Step 6: Final answer
    x = 152.47

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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.