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Finding the Fourth Proportional to 67,034.36, 100,542.36 and 37,103.96

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Solution

The fourth proportional to 67,034.36, 100,542.36 and 37,103.96 is: 55,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,034.36 : 100,542.36 = 37,103.96 : x
  2. Step 2: Convert to fraction form
    67,034.36/100,542.36 = 37,103.96/x
  3. Step 3: Cross multiply
    67,034.36x = 100,542.36 × 37,103.96
  4. Step 4: Simplify right side
    67,034.36x = 3,730,519,703.75
  5. Step 5: Solve for x
    x = 3,730,519,703.75/67,034.36
  6. Step 6: Final answer
    x = 55,650.86

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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.