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Finding the Fourth Proportional to 79,676.24, 109,952.94 and 43,866.32

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Solution

The fourth proportional to 79,676.24, 109,952.94 and 43,866.32 is: 60,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,676.24 : 109,952.94 = 43,866.32 : x
  2. Step 2: Convert to fraction form
    79,676.24/109,952.94 = 43,866.32/x
  3. Step 3: Cross multiply
    79,676.24x = 109,952.94 × 43,866.32
  4. Step 4: Simplify right side
    79,676.24x = 4,823,230,850.98
  5. Step 5: Solve for x
    x = 4,823,230,850.98/79,676.24
  6. Step 6: Final answer
    x = 60,535.37

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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.