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Finding the Fourth Proportional to 226,585.56, 339,856.32 and 68,815.40

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Solution

The fourth proportional to 226,585.56, 339,856.32 and 68,815.40 is: 103,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,585.56 : 339,856.32 = 68,815.40 : x
  2. Step 2: Convert to fraction form
    226,585.56/339,856.32 = 68,815.40/x
  3. Step 3: Cross multiply
    226,585.56x = 339,856.32 × 68,815.40
  4. Step 4: Simplify right side
    226,585.56x = 23,387,348,603.33
  5. Step 5: Solve for x
    x = 23,387,348,603.33/226,585.56
  6. Step 6: Final answer
    x = 103,216.41

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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.