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Finding the Fourth Proportional to 226,799.88, 340,276.31 and 100,422.87

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Solution

The fourth proportional to 226,799.88, 340,276.31 and 100,422.87 is: 150,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,799.88 : 340,276.31 = 100,422.87 : x
  2. Step 2: Convert to fraction form
    226,799.88/340,276.31 = 100,422.87/x
  3. Step 3: Cross multiply
    226,799.88x = 340,276.31 × 100,422.87
  4. Step 4: Simplify right side
    226,799.88x = 34,171,523,141.10
  5. Step 5: Solve for x
    x = 34,171,523,141.10/226,799.88
  6. Step 6: Final answer
    x = 150,668.17

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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.