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Finding the Fourth Proportional to 79,910.37, 110,214 and 51,232.77

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Solution

The fourth proportional to 79,910.37, 110,214 and 51,232.77 is: 70,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,910.37 : 110,214 = 51,232.77 : x
  2. Step 2: Convert to fraction form
    79,910.37/110,214 = 51,232.77/x
  3. Step 3: Cross multiply
    79,910.37x = 110,214 × 51,232.77
  4. Step 4: Simplify right side
    79,910.37x = 5,646,568,512.78
  5. Step 5: Solve for x
    x = 5,646,568,512.78/79,910.37
  6. Step 6: Final answer
    x = 70,661.27

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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.