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Finding the Fourth Proportional to 150.49, 225.88 and 96.42

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Solution

The fourth proportional to 150.49, 225.88 and 96.42 is: 144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.49 : 225.88 = 96.42 : x
  2. Step 2: Convert to fraction form
    150.49/225.88 = 96.42/x
  3. Step 3: Cross multiply
    150.49x = 225.88 × 96.42
  4. Step 4: Simplify right side
    150.49x = 21,778.87
  5. Step 5: Solve for x
    x = 21,778.87/150.49
  6. Step 6: Final answer
    x = 144.72

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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.