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Finding the Fourth Proportional to 236.92, 326.92 and 131.98

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Solution

The fourth proportional to 236.92, 326.92 and 131.98 is: 182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.92 : 326.92 = 131.98 : x
  2. Step 2: Convert to fraction form
    236.92/326.92 = 131.98/x
  3. Step 3: Cross multiply
    236.92x = 326.92 × 131.98
  4. Step 4: Simplify right side
    236.92x = 43,146.61
  5. Step 5: Solve for x
    x = 43,146.61/236.92
  6. Step 6: Final answer
    x = 182.12

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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.