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Finding the Fourth Proportional to 104.44, 156.32 and 63.94

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Solution

The fourth proportional to 104.44, 156.32 and 63.94 is: 95.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.44 : 156.32 = 63.94 : x
  2. Step 2: Convert to fraction form
    104.44/156.32 = 63.94/x
  3. Step 3: Cross multiply
    104.44x = 156.32 × 63.94
  4. Step 4: Simplify right side
    104.44x = 9,995.10
  5. Step 5: Solve for x
    x = 9,995.10/104.44
  6. Step 6: Final answer
    x = 95.70

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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.