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Finding the Fourth Proportional to 133,396.68, 200,105.55 and 44,650.51

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Solution

The fourth proportional to 133,396.68, 200,105.55 and 44,650.51 is: 66,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,396.68 : 200,105.55 = 44,650.51 : x
  2. Step 2: Convert to fraction form
    133,396.68/200,105.55 = 44,650.51/x
  3. Step 3: Cross multiply
    133,396.68x = 200,105.55 × 44,650.51
  4. Step 4: Simplify right side
    133,396.68x = 8,934,814,861.33
  5. Step 5: Solve for x
    x = 8,934,814,861.33/133,396.68
  6. Step 6: Final answer
    x = 66,979.29

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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.