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Finding the Fourth Proportional to 264.22, 396.26 and 101.86

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Solution

The fourth proportional to 264.22, 396.26 and 101.86 is: 152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.22 : 396.26 = 101.86 : x
  2. Step 2: Convert to fraction form
    264.22/396.26 = 101.86/x
  3. Step 3: Cross multiply
    264.22x = 396.26 × 101.86
  4. Step 4: Simplify right side
    264.22x = 40,363.04
  5. Step 5: Solve for x
    x = 40,363.04/264.22
  6. Step 6: Final answer
    x = 152.76

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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.