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Finding the Fourth Proportional to 151.17, 226.44 and 96.96

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Solution

The fourth proportional to 151.17, 226.44 and 96.96 is: 145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.17 : 226.44 = 96.96 : x
  2. Step 2: Convert to fraction form
    151.17/226.44 = 96.96/x
  3. Step 3: Cross multiply
    151.17x = 226.44 × 96.96
  4. Step 4: Simplify right side
    151.17x = 21,955.62
  5. Step 5: Solve for x
    x = 21,955.62/151.17
  6. Step 6: Final answer
    x = 145.24

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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.