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Finding the Fourth Proportional to 227,218.99, 340,816.09 and 69,447.39

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Solution

The fourth proportional to 227,218.99, 340,816.09 and 69,447.39 is: 104,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,218.99 : 340,816.09 = 69,447.39 : x
  2. Step 2: Convert to fraction form
    227,218.99/340,816.09 = 69,447.39/x
  3. Step 3: Cross multiply
    227,218.99x = 340,816.09 × 69,447.39
  4. Step 4: Simplify right side
    227,218.99x = 23,668,787,573.27
  5. Step 5: Solve for x
    x = 23,668,787,573.27/227,218.99
  6. Step 6: Final answer
    x = 104,167.30

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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.