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Finding the Fourth Proportional to 236.24, 354.41 and 133.67

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Solution

The fourth proportional to 236.24, 354.41 and 133.67 is: 200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.24 : 354.41 = 133.67 : x
  2. Step 2: Convert to fraction form
    236.24/354.41 = 133.67/x
  3. Step 3: Cross multiply
    236.24x = 354.41 × 133.67
  4. Step 4: Simplify right side
    236.24x = 47,373.98
  5. Step 5: Solve for x
    x = 47,373.98/236.24
  6. Step 6: Final answer
    x = 200.53

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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.