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Finding the Fourth Proportional to 150.92, 225.90 and 107.40

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Solution

The fourth proportional to 150.92, 225.90 and 107.40 is: 160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.92 : 225.90 = 107.40 : x
  2. Step 2: Convert to fraction form
    150.92/225.90 = 107.40/x
  3. Step 3: Cross multiply
    150.92x = 225.90 × 107.40
  4. Step 4: Simplify right side
    150.92x = 24,261.66
  5. Step 5: Solve for x
    x = 24,261.66/150.92
  6. Step 6: Final answer
    x = 160.76

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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.