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Finding the Fourth Proportional to 79,647.35, 109,912.50 and 43,836.59

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Solution

The fourth proportional to 79,647.35, 109,912.50 and 43,836.59 is: 60,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,647.35 : 109,912.50 = 43,836.59 : x
  2. Step 2: Convert to fraction form
    79,647.35/109,912.50 = 43,836.59/x
  3. Step 3: Cross multiply
    79,647.35x = 109,912.50 × 43,836.59
  4. Step 4: Simplify right side
    79,647.35x = 4,818,189,198.38
  5. Step 5: Solve for x
    x = 4,818,189,198.38/79,647.35
  6. Step 6: Final answer
    x = 60,494.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.