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Finding the Fourth Proportional to 79,471.26, 119,217.96 and 26,866.62

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Solution

The fourth proportional to 79,471.26, 119,217.96 and 26,866.62 is: 40,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,471.26 : 119,217.96 = 26,866.62 : x
  2. Step 2: Convert to fraction form
    79,471.26/119,217.96 = 26,866.62/x
  3. Step 3: Cross multiply
    79,471.26x = 119,217.96 × 26,866.62
  4. Step 4: Simplify right side
    79,471.26x = 3,202,983,628.50
  5. Step 5: Solve for x
    x = 3,202,983,628.50/79,471.26
  6. Step 6: Final answer
    x = 40,303.67

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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.