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Finding the Fourth Proportional to 79,910.91, 119,884.77 and 23,749.83

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Solution

The fourth proportional to 79,910.91, 119,884.77 and 23,749.83 is: 35,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,910.91 : 119,884.77 = 23,749.83 : x
  2. Step 2: Convert to fraction form
    79,910.91/119,884.77 = 23,749.83/x
  3. Step 3: Cross multiply
    79,910.91x = 119,884.77 × 23,749.83
  4. Step 4: Simplify right side
    79,910.91x = 2,847,242,907.09
  5. Step 5: Solve for x
    x = 2,847,242,907.09/79,910.91
  6. Step 6: Final answer
    x = 35,630.22

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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.