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Finding the Fourth Proportional to 104.44, 156.70 and 50.34

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Solution

The fourth proportional to 104.44, 156.70 and 50.34 is: 75.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.44 : 156.70 = 50.34 : x
  2. Step 2: Convert to fraction form
    104.44/156.70 = 50.34/x
  3. Step 3: Cross multiply
    104.44x = 156.70 × 50.34
  4. Step 4: Simplify right side
    104.44x = 7,888.28
  5. Step 5: Solve for x
    x = 7,888.28/104.44
  6. Step 6: Final answer
    x = 75.53

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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.