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Finding the Fourth Proportional to 168.94, 233.11 and 110.69

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Solution

The fourth proportional to 168.94, 233.11 and 110.69 is: 152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.94 : 233.11 = 110.69 : x
  2. Step 2: Convert to fraction form
    168.94/233.11 = 110.69/x
  3. Step 3: Cross multiply
    168.94x = 233.11 × 110.69
  4. Step 4: Simplify right side
    168.94x = 25,802.39
  5. Step 5: Solve for x
    x = 25,802.39/168.94
  6. Step 6: Final answer
    x = 152.73

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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.