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Finding the Fourth Proportional to 67,407.21, 101,006.87 and 33,173.69

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Solution

The fourth proportional to 67,407.21, 101,006.87 and 33,173.69 is: 49,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,407.21 : 101,006.87 = 33,173.69 : x
  2. Step 2: Convert to fraction form
    67,407.21/101,006.87 = 33,173.69/x
  3. Step 3: Cross multiply
    67,407.21x = 101,006.87 × 33,173.69
  4. Step 4: Simplify right side
    67,407.21x = 3,350,769,922.35
  5. Step 5: Solve for x
    x = 3,350,769,922.35/67,407.21
  6. Step 6: Final answer
    x = 49,709.37

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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.