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Finding the Fourth Proportional to 133,055, 199,540.99 and 44,287.75

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Solution

The fourth proportional to 133,055, 199,540.99 and 44,287.75 is: 66,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055 : 199,540.99 = 44,287.75 : x
  2. Step 2: Convert to fraction form
    133,055/199,540.99 = 44,287.75/x
  3. Step 3: Cross multiply
    133,055x = 199,540.99 × 44,287.75
  4. Step 4: Simplify right side
    133,055x = 8,837,221,479.87
  5. Step 5: Solve for x
    x = 8,837,221,479.87/133,055
  6. Step 6: Final answer
    x = 66,417.81

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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.