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Finding the Fourth Proportional to 79,404.35, 109,579.37 and 43,595.87

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Solution

The fourth proportional to 79,404.35, 109,579.37 and 43,595.87 is: 60,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,404.35 : 109,579.37 = 43,595.87 : x
  2. Step 2: Convert to fraction form
    79,404.35/109,579.37 = 43,595.87/x
  3. Step 3: Cross multiply
    79,404.35x = 109,579.37 × 43,595.87
  4. Step 4: Simplify right side
    79,404.35x = 4,777,207,203.33
  5. Step 5: Solve for x
    x = 4,777,207,203.33/79,404.35
  6. Step 6: Final answer
    x = 60,163.05

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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.