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Finding the Fourth Proportional to 79,091.94, 118,676.79 and 36,974.91

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Solution

The fourth proportional to 79,091.94, 118,676.79 and 36,974.91 is: 55,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,091.94 : 118,676.79 = 36,974.91 : x
  2. Step 2: Convert to fraction form
    79,091.94/118,676.79 = 36,974.91/x
  3. Step 3: Cross multiply
    79,091.94x = 118,676.79 × 36,974.91
  4. Step 4: Simplify right side
    79,091.94x = 4,388,063,629.34
  5. Step 5: Solve for x
    x = 4,388,063,629.34/79,091.94
  6. Step 6: Final answer
    x = 55,480.54

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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.