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Finding the Fourth Proportional to 236.96, 354.80 and 134.09

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Solution

The fourth proportional to 236.96, 354.80 and 134.09 is: 200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.96 : 354.80 = 134.09 : x
  2. Step 2: Convert to fraction form
    236.96/354.80 = 134.09/x
  3. Step 3: Cross multiply
    236.96x = 354.80 × 134.09
  4. Step 4: Simplify right side
    236.96x = 47,573.69
  5. Step 5: Solve for x
    x = 47,573.69/236.96
  6. Step 6: Final answer
    x = 200.77

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