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Finding the Fourth Proportional to 227,101.20, 340,651.80 and 108,711.60

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Solution

The fourth proportional to 227,101.20, 340,651.80 and 108,711.60 is: 163,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,101.20 : 340,651.80 = 108,711.60 : x
  2. Step 2: Convert to fraction form
    227,101.20/340,651.80 = 108,711.60/x
  3. Step 3: Cross multiply
    227,101.20x = 340,651.80 × 108,711.60
  4. Step 4: Simplify right side
    227,101.20x = 37,032,802,220.88
  5. Step 5: Solve for x
    x = 37,032,802,220.88/227,101.20
  6. Step 6: Final answer
    x = 163,067.40

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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.