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Finding the Fourth Proportional to 239,664.82, 330,857.30 and 149,049.98

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Solution

The fourth proportional to 239,664.82, 330,857.30 and 149,049.98 is: 205,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,664.82 : 330,857.30 = 149,049.98 : x
  2. Step 2: Convert to fraction form
    239,664.82/330,857.30 = 149,049.98/x
  3. Step 3: Cross multiply
    239,664.82x = 330,857.30 × 149,049.98
  4. Step 4: Simplify right side
    239,664.82x = 49,314,273,947.85
  5. Step 5: Solve for x
    x = 49,314,273,947.85/239,664.82
  6. Step 6: Final answer
    x = 205,763.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.