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Finding the Fourth Proportional to 227,282.80, 340,869.53 and 69,512.62

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Solution

The fourth proportional to 227,282.80, 340,869.53 and 69,512.62 is: 104,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,282.80 : 340,869.53 = 69,512.62 : x
  2. Step 2: Convert to fraction form
    227,282.80/340,869.53 = 69,512.62/x
  3. Step 3: Cross multiply
    227,282.80x = 340,869.53 × 69,512.62
  4. Step 4: Simplify right side
    227,282.80x = 23,694,733,760.91
  5. Step 5: Solve for x
    x = 23,694,733,760.91/227,282.80
  6. Step 6: Final answer
    x = 104,252.21

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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.