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Finding the Fourth Proportional to 226,843.64, 340,249.08 and 108,483.20

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Solution

The fourth proportional to 226,843.64, 340,249.08 and 108,483.20 is: 162,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,843.64 : 340,249.08 = 108,483.20 : x
  2. Step 2: Convert to fraction form
    226,843.64/340,249.08 = 108,483.20/x
  3. Step 3: Cross multiply
    226,843.64x = 340,249.08 × 108,483.20
  4. Step 4: Simplify right side
    226,843.64x = 36,911,308,995.46
  5. Step 5: Solve for x
    x = 36,911,308,995.46/226,843.64
  6. Step 6: Final answer
    x = 162,716.97

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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.