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Finding the Fourth Proportional to 150.02, 225 and 41.82

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Solution

The fourth proportional to 150.02, 225 and 41.82 is: 62.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.02 : 225 = 41.82 : x
  2. Step 2: Convert to fraction form
    150.02/225 = 41.82/x
  3. Step 3: Cross multiply
    150.02x = 225 × 41.82
  4. Step 4: Simplify right side
    150.02x = 9,409.50
  5. Step 5: Solve for x
    x = 9,409.50/150.02
  6. Step 6: Final answer
    x = 62.72

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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.