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Finding the Fourth Proportional to 79,260.43, 118,942.17 and 34,325.68

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Solution

The fourth proportional to 79,260.43, 118,942.17 and 34,325.68 is: 51,510.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,260.43 : 118,942.17 = 34,325.68 : x
  2. Step 2: Convert to fraction form
    79,260.43/118,942.17 = 34,325.68/x
  3. Step 3: Cross multiply
    79,260.43x = 118,942.17 × 34,325.68
  4. Step 4: Simplify right side
    79,260.43x = 4,082,770,865.93
  5. Step 5: Solve for x
    x = 4,082,770,865.93/79,260.43
  6. Step 6: Final answer
    x = 51,510.83

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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.