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Finding the Fourth Proportional to 150.66, 225.97 and 92.89

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Solution

The fourth proportional to 150.66, 225.97 and 92.89 is: 139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.66 : 225.97 = 92.89 : x
  2. Step 2: Convert to fraction form
    150.66/225.97 = 92.89/x
  3. Step 3: Cross multiply
    150.66x = 225.97 × 92.89
  4. Step 4: Simplify right side
    150.66x = 20,990.35
  5. Step 5: Solve for x
    x = 20,990.35/150.66
  6. Step 6: Final answer
    x = 139.32

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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.