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Finding the Fourth Proportional to 150.22, 225.34 and 63.47

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Solution

The fourth proportional to 150.22, 225.34 and 63.47 is: 95.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.22 : 225.34 = 63.47 : x
  2. Step 2: Convert to fraction form
    150.22/225.34 = 63.47/x
  3. Step 3: Cross multiply
    150.22x = 225.34 × 63.47
  4. Step 4: Simplify right side
    150.22x = 14,301.59
  5. Step 5: Solve for x
    x = 14,301.59/150.22
  6. Step 6: Final answer
    x = 95.20

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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.