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Finding the Fourth Proportional to 264.38, 396.75 and 93.38

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Solution

The fourth proportional to 264.38, 396.75 and 93.38 is: 140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.38 : 396.75 = 93.38 : x
  2. Step 2: Convert to fraction form
    264.38/396.75 = 93.38/x
  3. Step 3: Cross multiply
    264.38x = 396.75 × 93.38
  4. Step 4: Simplify right side
    264.38x = 37,046.53
  5. Step 5: Solve for x
    x = 37,046.53/264.38
  6. Step 6: Final answer
    x = 140.13

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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.