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Finding the Fourth Proportional to 226,761.41, 340,129.81 and 68,977.56

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Solution

The fourth proportional to 226,761.41, 340,129.81 and 68,977.56 is: 103,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,761.41 : 340,129.81 = 68,977.56 : x
  2. Step 2: Convert to fraction form
    226,761.41/340,129.81 = 68,977.56/x
  3. Step 3: Cross multiply
    226,761.41x = 340,129.81 × 68,977.56
  4. Step 4: Simplify right side
    226,761.41x = 23,461,324,377.06
  5. Step 5: Solve for x
    x = 23,461,324,377.06/226,761.41
  6. Step 6: Final answer
    x = 103,462.60

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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.