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Finding the Fourth Proportional to 227,270.76, 340,873.31 and 69,456.84

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Solution

The fourth proportional to 227,270.76, 340,873.31 and 69,456.84 is: 104,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,270.76 : 340,873.31 = 69,456.84 : x
  2. Step 2: Convert to fraction form
    227,270.76/340,873.31 = 69,456.84/x
  3. Step 3: Cross multiply
    227,270.76x = 340,873.31 × 69,456.84
  4. Step 4: Simplify right side
    227,270.76x = 23,675,982,605.66
  5. Step 5: Solve for x
    x = 23,675,982,605.66/227,270.76
  6. Step 6: Final answer
    x = 104,175.23

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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.