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Finding the Fourth Proportional to 79,769.82, 119,650.41 and 24,361.50

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Solution

The fourth proportional to 79,769.82, 119,650.41 and 24,361.50 is: 36,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,769.82 : 119,650.41 = 24,361.50 : x
  2. Step 2: Convert to fraction form
    79,769.82/119,650.41 = 24,361.50/x
  3. Step 3: Cross multiply
    79,769.82x = 119,650.41 × 24,361.50
  4. Step 4: Simplify right side
    79,769.82x = 2,914,863,463.22
  5. Step 5: Solve for x
    x = 2,914,863,463.22/79,769.82
  6. Step 6: Final answer
    x = 36,540.93

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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.