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Finding the Fourth Proportional to 269,584.30, 404,286.08 and 89,628.22

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Solution

The fourth proportional to 269,584.30, 404,286.08 and 89,628.22 is: 134,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,584.30 : 404,286.08 = 89,628.22 : x
  2. Step 2: Convert to fraction form
    269,584.30/404,286.08 = 89,628.22/x
  3. Step 3: Cross multiply
    269,584.30x = 404,286.08 × 89,628.22
  4. Step 4: Simplify right side
    269,584.30x = 36,235,441,721.18
  5. Step 5: Solve for x
    x = 36,235,441,721.18/269,584.30
  6. Step 6: Final answer
    x = 134,412.28

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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.