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Finding the Fourth Proportional to 80,596.60, 120,851.70 and 33,796.60

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Solution

The fourth proportional to 80,596.60, 120,851.70 and 33,796.60 is: 50,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,596.60 : 120,851.70 = 33,796.60 : x
  2. Step 2: Convert to fraction form
    80,596.60/120,851.70 = 33,796.60/x
  3. Step 3: Cross multiply
    80,596.60x = 120,851.70 × 33,796.60
  4. Step 4: Simplify right side
    80,596.60x = 4,084,376,564.22
  5. Step 5: Solve for x
    x = 4,084,376,564.22/80,596.60
  6. Step 6: Final answer
    x = 50,676.78

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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.