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Finding the Fourth Proportional to 226,564.58, 339,824.84 and 68,794.40

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Solution

The fourth proportional to 226,564.58, 339,824.84 and 68,794.40 is: 103,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,564.58 : 339,824.84 = 68,794.40 : x
  2. Step 2: Convert to fraction form
    226,564.58/339,824.84 = 68,794.40/x
  3. Step 3: Cross multiply
    226,564.58x = 339,824.84 × 68,794.40
  4. Step 4: Simplify right side
    226,564.58x = 23,378,043,929.80
  5. Step 5: Solve for x
    x = 23,378,043,929.80/226,564.58
  6. Step 6: Final answer
    x = 103,184.90

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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.