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Finding the Fourth Proportional to 150.62, 225.75 and 63.82

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Solution

The fourth proportional to 150.62, 225.75 and 63.82 is: 95.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.62 : 225.75 = 63.82 : x
  2. Step 2: Convert to fraction form
    150.62/225.75 = 63.82/x
  3. Step 3: Cross multiply
    150.62x = 225.75 × 63.82
  4. Step 4: Simplify right side
    150.62x = 14,407.37
  5. Step 5: Solve for x
    x = 14,407.37/150.62
  6. Step 6: Final answer
    x = 95.65

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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.