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Finding the Fourth Proportional to 79,412.25, 119,109.22 and 29,493.37

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Solution

The fourth proportional to 79,412.25, 119,109.22 and 29,493.37 is: 44,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,412.25 : 119,109.22 = 29,493.37 : x
  2. Step 2: Convert to fraction form
    79,412.25/119,109.22 = 29,493.37/x
  3. Step 3: Cross multiply
    79,412.25x = 119,109.22 × 29,493.37
  4. Step 4: Simplify right side
    79,412.25x = 3,512,932,295.87
  5. Step 5: Solve for x
    x = 3,512,932,295.87/79,412.25
  6. Step 6: Final answer
    x = 44,236.65

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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.