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Finding the Fourth Proportional to 269,736.20, 404,166.90 and 169,717.40

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Solution

The fourth proportional to 269,736.20, 404,166.90 and 169,717.40 is: 254,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,736.20 : 404,166.90 = 169,717.40 : x
  2. Step 2: Convert to fraction form
    269,736.20/404,166.90 = 169,717.40/x
  3. Step 3: Cross multiply
    269,736.20x = 404,166.90 × 169,717.40
  4. Step 4: Simplify right side
    269,736.20x = 68,594,155,434.06
  5. Step 5: Solve for x
    x = 68,594,155,434.06/269,736.20
  6. Step 6: Final answer
    x = 254,300.89

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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.