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Finding the Fourth Proportional to 104.11, 156.10 and 35.62

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Solution

The fourth proportional to 104.11, 156.10 and 35.62 is: 53.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.11 : 156.10 = 35.62 : x
  2. Step 2: Convert to fraction form
    104.11/156.10 = 35.62/x
  3. Step 3: Cross multiply
    104.11x = 156.10 × 35.62
  4. Step 4: Simplify right side
    104.11x = 5,560.28
  5. Step 5: Solve for x
    x = 5,560.28/104.11
  6. Step 6: Final answer
    x = 53.41

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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.