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Finding the Fourth Proportional to 79,977.87, 119,794.26 and 37,794.30

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Solution

The fourth proportional to 79,977.87, 119,794.26 and 37,794.30 is: 56,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,977.87 : 119,794.26 = 37,794.30 : x
  2. Step 2: Convert to fraction form
    79,977.87/119,794.26 = 37,794.30/x
  3. Step 3: Cross multiply
    79,977.87x = 119,794.26 × 37,794.30
  4. Step 4: Simplify right side
    79,977.87x = 4,527,540,200.72
  5. Step 5: Solve for x
    x = 4,527,540,200.72/79,977.87
  6. Step 6: Final answer
    x = 56,609.91

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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.