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Finding the Fourth Proportional to 227,314.98, 340,986.11 and 69,544.80

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Solution

The fourth proportional to 227,314.98, 340,986.11 and 69,544.80 is: 104,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,314.98 : 340,986.11 = 69,544.80 : x
  2. Step 2: Convert to fraction form
    227,314.98/340,986.11 = 69,544.80/x
  3. Step 3: Cross multiply
    227,314.98x = 340,986.11 × 69,544.80
  4. Step 4: Simplify right side
    227,314.98x = 23,713,810,822.73
  5. Step 5: Solve for x
    x = 23,713,810,822.73/227,314.98
  6. Step 6: Final answer
    x = 104,321.37

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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.