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Finding the Fourth Proportional to 269,903.28, 404,584 and 92,288.80

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Solution

The fourth proportional to 269,903.28, 404,584 and 92,288.80 is: 138,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,903.28 : 404,584 = 92,288.80 : x
  2. Step 2: Convert to fraction form
    269,903.28/404,584 = 92,288.80/x
  3. Step 3: Cross multiply
    269,903.28x = 404,584 × 92,288.80
  4. Step 4: Simplify right side
    269,903.28x = 37,338,571,859.20
  5. Step 5: Solve for x
    x = 37,338,571,859.20/269,903.28
  6. Step 6: Final answer
    x = 138,340.56

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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.