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Finding the Fourth Proportional to 236.96, 355.73 and 134.32

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Solution

The fourth proportional to 236.96, 355.73 and 134.32 is: 201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.96 : 355.73 = 134.32 : x
  2. Step 2: Convert to fraction form
    236.96/355.73 = 134.32/x
  3. Step 3: Cross multiply
    236.96x = 355.73 × 134.32
  4. Step 4: Simplify right side
    236.96x = 47,781.65
  5. Step 5: Solve for x
    x = 47,781.65/236.96
  6. Step 6: Final answer
    x = 201.64

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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.