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Finding the Fourth Proportional to 79,579.80, 119,367.60 and 37,488.56

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Solution

The fourth proportional to 79,579.80, 119,367.60 and 37,488.56 is: 56,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,579.80 : 119,367.60 = 37,488.56 : x
  2. Step 2: Convert to fraction form
    79,579.80/119,367.60 = 37,488.56/x
  3. Step 3: Cross multiply
    79,579.80x = 119,367.60 × 37,488.56
  4. Step 4: Simplify right side
    79,579.80x = 4,474,919,434.66
  5. Step 5: Solve for x
    x = 4,474,919,434.66/79,579.80
  6. Step 6: Final answer
    x = 56,231.85

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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.