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Finding the Fourth Proportional to 226,697.46, 340,033.86 and 68,913.60

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Solution

The fourth proportional to 226,697.46, 340,033.86 and 68,913.60 is: 103,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,697.46 : 340,033.86 = 68,913.60 : x
  2. Step 2: Convert to fraction form
    226,697.46/340,033.86 = 68,913.60/x
  3. Step 3: Cross multiply
    226,697.46x = 340,033.86 × 68,913.60
  4. Step 4: Simplify right side
    226,697.46x = 23,432,957,414.50
  5. Step 5: Solve for x
    x = 23,432,957,414.50/226,697.46
  6. Step 6: Final answer
    x = 103,366.65

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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.