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Finding the Fourth Proportional to 225,967.69, 338,947.27 and 55,192.15

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Solution

The fourth proportional to 225,967.69, 338,947.27 and 55,192.15 is: 82,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,967.69 : 338,947.27 = 55,192.15 : x
  2. Step 2: Convert to fraction form
    225,967.69/338,947.27 = 55,192.15/x
  3. Step 3: Cross multiply
    225,967.69x = 338,947.27 × 55,192.15
  4. Step 4: Simplify right side
    225,967.69x = 18,707,228,567.93
  5. Step 5: Solve for x
    x = 18,707,228,567.93/225,967.69
  6. Step 6: Final answer
    x = 82,787.18

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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.