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Finding the Fourth Proportional to 264.25, 396.56 and 93.25

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Solution

The fourth proportional to 264.25, 396.56 and 93.25 is: 139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.25 : 396.56 = 93.25 : x
  2. Step 2: Convert to fraction form
    264.25/396.56 = 93.25/x
  3. Step 3: Cross multiply
    264.25x = 396.56 × 93.25
  4. Step 4: Simplify right side
    264.25x = 36,979.22
  5. Step 5: Solve for x
    x = 36,979.22/264.25
  6. Step 6: Final answer
    x = 139.94

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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.