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Finding the Fourth Proportional to 264.48, 396.68 and 110.36

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Solution

The fourth proportional to 264.48, 396.68 and 110.36 is: 165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.48 : 396.68 = 110.36 : x
  2. Step 2: Convert to fraction form
    264.48/396.68 = 110.36/x
  3. Step 3: Cross multiply
    264.48x = 396.68 × 110.36
  4. Step 4: Simplify right side
    264.48x = 43,777.60
  5. Step 5: Solve for x
    x = 43,777.60/264.48
  6. Step 6: Final answer
    x = 165.52

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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.