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Finding the Fourth Proportional to 136,588.53, 204,912.90 and 41,819.43

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Solution

The fourth proportional to 136,588.53, 204,912.90 and 41,819.43 is: 62,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,588.53 : 204,912.90 = 41,819.43 : x
  2. Step 2: Convert to fraction form
    136,588.53/204,912.90 = 41,819.43/x
  3. Step 3: Cross multiply
    136,588.53x = 204,912.90 × 41,819.43
  4. Step 4: Simplify right side
    136,588.53x = 8,569,340,677.65
  5. Step 5: Solve for x
    x = 8,569,340,677.65/136,588.53
  6. Step 6: Final answer
    x = 62,738.36

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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.