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Finding the Fourth Proportional to 227,210.54, 340,711.04 and 67,229.27

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Solution

The fourth proportional to 227,210.54, 340,711.04 and 67,229.27 is: 100,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,210.54 : 340,711.04 = 67,229.27 : x
  2. Step 2: Convert to fraction form
    227,210.54/340,711.04 = 67,229.27/x
  3. Step 3: Cross multiply
    227,210.54x = 340,711.04 × 67,229.27
  4. Step 4: Simplify right side
    227,210.54x = 22,905,752,964.66
  5. Step 5: Solve for x
    x = 22,905,752,964.66/227,210.54
  6. Step 6: Final answer
    x = 100,812.90

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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.