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Finding the Fourth Proportional to 269,522.90, 404,612.40 and 136,334.60

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Solution

The fourth proportional to 269,522.90, 404,612.40 and 136,334.60 is: 204,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,522.90 : 404,612.40 = 136,334.60 : x
  2. Step 2: Convert to fraction form
    269,522.90/404,612.40 = 136,334.60/x
  3. Step 3: Cross multiply
    269,522.90x = 404,612.40 × 136,334.60
  4. Step 4: Simplify right side
    269,522.90x = 55,162,669,709.04
  5. Step 5: Solve for x
    x = 55,162,669,709.04/269,522.90
  6. Step 6: Final answer
    x = 204,667.84

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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.