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Finding the Fourth Proportional to 336,856.80, 504,846.45 and 136,943.94

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Solution

The fourth proportional to 336,856.80, 504,846.45 and 136,943.94 is: 205,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,856.80 : 504,846.45 = 136,943.94 : x
  2. Step 2: Convert to fraction form
    336,856.80/504,846.45 = 136,943.94/x
  3. Step 3: Cross multiply
    336,856.80x = 504,846.45 × 136,943.94
  4. Step 4: Simplify right side
    336,856.80x = 69,135,661,958.01
  5. Step 5: Solve for x
    x = 69,135,661,958.01/336,856.80
  6. Step 6: Final answer
    x = 205,237.54

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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.