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Finding the Fourth Proportional to 67,093.82, 100,640.02 and 17,173.52

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Solution

The fourth proportional to 67,093.82, 100,640.02 and 17,173.52 is: 25,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,093.82 : 100,640.02 = 17,173.52 : x
  2. Step 2: Convert to fraction form
    67,093.82/100,640.02 = 17,173.52/x
  3. Step 3: Cross multiply
    67,093.82x = 100,640.02 × 17,173.52
  4. Step 4: Simplify right side
    67,093.82x = 1,728,343,604.94
  5. Step 5: Solve for x
    x = 1,728,343,604.94/67,093.82
  6. Step 6: Final answer
    x = 25,760.10

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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.