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Finding the Fourth Proportional to 133,286.96, 199,940.74 and 44,540.77

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Solution

The fourth proportional to 133,286.96, 199,940.74 and 44,540.77 is: 66,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,286.96 : 199,940.74 = 44,540.77 : x
  2. Step 2: Convert to fraction form
    133,286.96/199,940.74 = 44,540.77/x
  3. Step 3: Cross multiply
    133,286.96x = 199,940.74 × 44,540.77
  4. Step 4: Simplify right side
    133,286.96x = 8,905,514,513.97
  5. Step 5: Solve for x
    x = 8,905,514,513.97/133,286.96
  6. Step 6: Final answer
    x = 66,814.60

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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.