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Finding the Fourth Proportional to 79,761.44, 119,669.36 and 50,144.60

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Solution

The fourth proportional to 79,761.44, 119,669.36 and 50,144.60 is: 75,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,761.44 : 119,669.36 = 50,144.60 : x
  2. Step 2: Convert to fraction form
    79,761.44/119,669.36 = 50,144.60/x
  3. Step 3: Cross multiply
    79,761.44x = 119,669.36 × 50,144.60
  4. Step 4: Simplify right side
    79,761.44x = 6,000,771,716.47
  5. Step 5: Solve for x
    x = 6,000,771,716.47/79,761.44
  6. Step 6: Final answer
    x = 75,234.00

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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.