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Finding the Fourth Proportional to 226,679.67, 340,007.21 and 68,895.82

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Solution

The fourth proportional to 226,679.67, 340,007.21 and 68,895.82 is: 103,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,679.67 : 340,007.21 = 68,895.82 : x
  2. Step 2: Convert to fraction form
    226,679.67/340,007.21 = 68,895.82/x
  3. Step 3: Cross multiply
    226,679.67x = 340,007.21 × 68,895.82
  4. Step 4: Simplify right side
    226,679.67x = 23,425,077,027.79
  5. Step 5: Solve for x
    x = 23,425,077,027.79/226,679.67
  6. Step 6: Final answer
    x = 103,340.00

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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.