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Finding the Fourth Proportional to 200,553.92, 300,833.30 and 67,433.66

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Solution

The fourth proportional to 200,553.92, 300,833.30 and 67,433.66 is: 101,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,553.92 : 300,833.30 = 67,433.66 : x
  2. Step 2: Convert to fraction form
    200,553.92/300,833.30 = 67,433.66/x
  3. Step 3: Cross multiply
    200,553.92x = 300,833.30 × 67,433.66
  4. Step 4: Simplify right side
    200,553.92x = 20,286,289,133.30
  5. Step 5: Solve for x
    x = 20,286,289,133.30/200,553.92
  6. Step 6: Final answer
    x = 101,151.30

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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.