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Finding the Fourth Proportional to 104.93, 157.31 and 36.44

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Solution

The fourth proportional to 104.93, 157.31 and 36.44 is: 54.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.93 : 157.31 = 36.44 : x
  2. Step 2: Convert to fraction form
    104.93/157.31 = 36.44/x
  3. Step 3: Cross multiply
    104.93x = 157.31 × 36.44
  4. Step 4: Simplify right side
    104.93x = 5,731.41
  5. Step 5: Solve for x
    x = 5,731.41/104.93
  6. Step 6: Final answer
    x = 54.62

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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.