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Finding the Fourth Proportional to 163,673.87, 225,843.90 and 92,040.05

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Solution

The fourth proportional to 163,673.87, 225,843.90 and 92,040.05 is: 127,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,673.87 : 225,843.90 = 92,040.05 : x
  2. Step 2: Convert to fraction form
    163,673.87/225,843.90 = 92,040.05/x
  3. Step 3: Cross multiply
    163,673.87x = 225,843.90 × 92,040.05
  4. Step 4: Simplify right side
    163,673.87x = 20,786,682,718.98
  5. Step 5: Solve for x
    x = 20,786,682,718.98/163,673.87
  6. Step 6: Final answer
    x = 127,000.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.