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Finding the Fourth Proportional to 79,759.40, 110,072.81 and 43,949.37

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Solution

The fourth proportional to 79,759.40, 110,072.81 and 43,949.37 is: 60,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,759.40 : 110,072.81 = 43,949.37 : x
  2. Step 2: Convert to fraction form
    79,759.40/110,072.81 = 43,949.37/x
  3. Step 3: Cross multiply
    79,759.40x = 110,072.81 × 43,949.37
  4. Step 4: Simplify right side
    79,759.40x = 4,837,630,433.88
  5. Step 5: Solve for x
    x = 4,837,630,433.88/79,759.40
  6. Step 6: Final answer
    x = 60,652.79

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Why These Related Problems?

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