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Finding the Fourth Proportional to 97.63, 146.44 and 63.37

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Solution

The fourth proportional to 97.63, 146.44 and 63.37 is: 95.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.63 : 146.44 = 63.37 : x
  2. Step 2: Convert to fraction form
    97.63/146.44 = 63.37/x
  3. Step 3: Cross multiply
    97.63x = 146.44 × 63.37
  4. Step 4: Simplify right side
    97.63x = 9,279.38
  5. Step 5: Solve for x
    x = 9,279.38/97.63
  6. Step 6: Final answer
    x = 95.05

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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.