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Finding the Fourth Proportional to 225,590.03, 338,405.92 and 73,787.97

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Solution

The fourth proportional to 225,590.03, 338,405.92 and 73,787.97 is: 110,688.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,590.03 : 338,405.92 = 73,787.97 : x
  2. Step 2: Convert to fraction form
    225,590.03/338,405.92 = 73,787.97/x
  3. Step 3: Cross multiply
    225,590.03x = 338,405.92 × 73,787.97
  4. Step 4: Simplify right side
    225,590.03x = 24,970,284,419.29
  5. Step 5: Solve for x
    x = 24,970,284,419.29/225,590.03
  6. Step 6: Final answer
    x = 110,688.78

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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.