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Finding the Fourth Proportional to 168.07, 252.09 and 46.33

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Solution

The fourth proportional to 168.07, 252.09 and 46.33 is: 69.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.07 : 252.09 = 46.33 : x
  2. Step 2: Convert to fraction form
    168.07/252.09 = 46.33/x
  3. Step 3: Cross multiply
    168.07x = 252.09 × 46.33
  4. Step 4: Simplify right side
    168.07x = 11,678.70
  5. Step 5: Solve for x
    x = 11,678.70/168.07
  6. Step 6: Final answer
    x = 69.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.