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Finding the Fourth Proportional to 269,744.20, 404,178.90 and 169,725.40

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Solution

The fourth proportional to 269,744.20, 404,178.90 and 169,725.40 is: 254,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,744.20 : 404,178.90 = 169,725.40 : x
  2. Step 2: Convert to fraction form
    269,744.20/404,178.90 = 169,725.40/x
  3. Step 3: Cross multiply
    269,744.20x = 404,178.90 × 169,725.40
  4. Step 4: Simplify right side
    269,744.20x = 68,599,425,474.06
  5. Step 5: Solve for x
    x = 68,599,425,474.06/269,744.20
  6. Step 6: Final answer
    x = 254,312.88

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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.