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Finding the Fourth Proportional to 200,553.67, 300,832.93 and 67,433.41

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Solution

The fourth proportional to 200,553.67, 300,832.93 and 67,433.41 is: 101,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,553.67 : 300,832.93 = 67,433.41 : x
  2. Step 2: Convert to fraction form
    200,553.67/300,832.93 = 67,433.41/x
  3. Step 3: Cross multiply
    200,553.67x = 300,832.93 × 67,433.41
  4. Step 4: Simplify right side
    200,553.67x = 20,286,188,806.03
  5. Step 5: Solve for x
    x = 20,286,188,806.03/200,553.67
  6. Step 6: Final answer
    x = 101,150.93

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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.