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Finding the Fourth Proportional to 175.92, 264.38 and 133.68

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Solution

The fourth proportional to 175.92, 264.38 and 133.68 is: 200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.92 : 264.38 = 133.68 : x
  2. Step 2: Convert to fraction form
    175.92/264.38 = 133.68/x
  3. Step 3: Cross multiply
    175.92x = 264.38 × 133.68
  4. Step 4: Simplify right side
    175.92x = 35,342.32
  5. Step 5: Solve for x
    x = 35,342.32/175.92
  6. Step 6: Final answer
    x = 200.90

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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.