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Finding the Fourth Proportional to 225,635.22, 338,268.15 and 113,179.68

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Solution

The fourth proportional to 225,635.22, 338,268.15 and 113,179.68 is: 169,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,635.22 : 338,268.15 = 113,179.68 : x
  2. Step 2: Convert to fraction form
    225,635.22/338,268.15 = 113,179.68/x
  3. Step 3: Cross multiply
    225,635.22x = 338,268.15 × 113,179.68
  4. Step 4: Simplify right side
    225,635.22x = 38,285,080,971.19
  5. Step 5: Solve for x
    x = 38,285,080,971.19/225,635.22
  6. Step 6: Final answer
    x = 169,676.88

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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.