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Finding the Fourth Proportional to 264.24, 395.84 and 133.92

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Solution

The fourth proportional to 264.24, 395.84 and 133.92 is: 200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.24 : 395.84 = 133.92 : x
  2. Step 2: Convert to fraction form
    264.24/395.84 = 133.92/x
  3. Step 3: Cross multiply
    264.24x = 395.84 × 133.92
  4. Step 4: Simplify right side
    264.24x = 53,011.23
  5. Step 5: Solve for x
    x = 53,011.23/264.24
  6. Step 6: Final answer
    x = 200.62

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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.