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Finding the Fourth Proportional to 236.83, 326.82 and 166.99

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Solution

The fourth proportional to 236.83, 326.82 and 166.99 is: 230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.83 : 326.82 = 166.99 : x
  2. Step 2: Convert to fraction form
    236.83/326.82 = 166.99/x
  3. Step 3: Cross multiply
    236.83x = 326.82 × 166.99
  4. Step 4: Simplify right side
    236.83x = 54,575.67
  5. Step 5: Solve for x
    x = 54,575.67/236.83
  6. Step 6: Final answer
    x = 230.44

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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.