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Finding the Fourth Proportional to 227,043.26, 313,319.76 and 131,605.31

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Solution

The fourth proportional to 227,043.26, 313,319.76 and 131,605.31 is: 181,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,043.26 : 313,319.76 = 131,605.31 : x
  2. Step 2: Convert to fraction form
    227,043.26/313,319.76 = 131,605.31/x
  3. Step 3: Cross multiply
    227,043.26x = 313,319.76 × 131,605.31
  4. Step 4: Simplify right side
    227,043.26x = 41,234,542,577.33
  5. Step 5: Solve for x
    x = 41,234,542,577.33/227,043.26
  6. Step 6: Final answer
    x = 181,615.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.