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Finding the Fourth Proportional to 133,999.36, 200,998.82 and 104,439.36

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Solution

The fourth proportional to 133,999.36, 200,998.82 and 104,439.36 is: 156,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,999.36 : 200,998.82 = 104,439.36 : x
  2. Step 2: Convert to fraction form
    133,999.36/200,998.82 = 104,439.36/x
  3. Step 3: Cross multiply
    133,999.36x = 200,998.82 × 104,439.36
  4. Step 4: Simplify right side
    133,999.36x = 20,992,188,121.56
  5. Step 5: Solve for x
    x = 20,992,188,121.56/133,999.36
  6. Step 6: Final answer
    x = 156,658.87

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1.5x scale

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.