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Finding the Fourth Proportional to 236.93, 326.96 and 133.43

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Solution

The fourth proportional to 236.93, 326.96 and 133.43 is: 184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.93 : 326.96 = 133.43 : x
  2. Step 2: Convert to fraction form
    236.93/326.96 = 133.43/x
  3. Step 3: Cross multiply
    236.93x = 326.96 × 133.43
  4. Step 4: Simplify right side
    236.93x = 43,627.42
  5. Step 5: Solve for x
    x = 43,627.42/236.93
  6. Step 6: Final answer
    x = 184.13

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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.