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Finding the Fourth Proportional to 264.54, 396.87 and 102.33

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Solution

The fourth proportional to 264.54, 396.87 and 102.33 is: 153.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.54 : 396.87 = 102.33 : x
  2. Step 2: Convert to fraction form
    264.54/396.87 = 102.33/x
  3. Step 3: Cross multiply
    264.54x = 396.87 × 102.33
  4. Step 4: Simplify right side
    264.54x = 40,611.71
  5. Step 5: Solve for x
    x = 40,611.71/264.54
  6. Step 6: Final answer
    x = 153.52

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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.