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Finding the Fourth Proportional to 150.84, 225.90 and 107.54

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Solution

The fourth proportional to 150.84, 225.90 and 107.54 is: 161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.84 : 225.90 = 107.54 : x
  2. Step 2: Convert to fraction form
    150.84/225.90 = 107.54/x
  3. Step 3: Cross multiply
    150.84x = 225.90 × 107.54
  4. Step 4: Simplify right side
    150.84x = 24,293.29
  5. Step 5: Solve for x
    x = 24,293.29/150.84
  6. Step 6: Final answer
    x = 161.05

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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.