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Finding the Fourth Proportional to 79,324.85, 118,991.22 and 26,022.20

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Solution

The fourth proportional to 79,324.85, 118,991.22 and 26,022.20 is: 39,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,324.85 : 118,991.22 = 26,022.20 : x
  2. Step 2: Convert to fraction form
    79,324.85/118,991.22 = 26,022.20/x
  3. Step 3: Cross multiply
    79,324.85x = 118,991.22 × 26,022.20
  4. Step 4: Simplify right side
    79,324.85x = 3,096,413,325.08
  5. Step 5: Solve for x
    x = 3,096,413,325.08/79,324.85
  6. Step 6: Final answer
    x = 39,034.59

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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.