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Finding the Fourth Proportional to 150.96, 225.90 and 135.48

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Solution

The fourth proportional to 150.96, 225.90 and 135.48 is: 202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.96 : 225.90 = 135.48 : x
  2. Step 2: Convert to fraction form
    150.96/225.90 = 135.48/x
  3. Step 3: Cross multiply
    150.96x = 225.90 × 135.48
  4. Step 4: Simplify right side
    150.96x = 30,604.93
  5. Step 5: Solve for x
    x = 30,604.93/150.96
  6. Step 6: Final answer
    x = 202.74

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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.