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Finding the Fourth Proportional to 133,896.38, 200,655.78 and 73,951.88

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Solution

The fourth proportional to 133,896.38, 200,655.78 and 73,951.88 is: 110,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,896.38 : 200,655.78 = 73,951.88 : x
  2. Step 2: Convert to fraction form
    133,896.38/200,655.78 = 73,951.88/x
  3. Step 3: Cross multiply
    133,896.38x = 200,655.78 × 73,951.88
  4. Step 4: Simplify right side
    133,896.38x = 14,838,872,163.87
  5. Step 5: Solve for x
    x = 14,838,872,163.87/133,896.38
  6. Step 6: Final answer
    x = 110,823.55

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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.