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Finding the Fourth Proportional to 366,767.87, 550,105.02 and 141,974.51

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Solution

The fourth proportional to 366,767.87, 550,105.02 and 141,974.51 is: 212,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,767.87 : 550,105.02 = 141,974.51 : x
  2. Step 2: Convert to fraction form
    366,767.87/550,105.02 = 141,974.51/x
  3. Step 3: Cross multiply
    366,767.87x = 550,105.02 × 141,974.51
  4. Step 4: Simplify right side
    366,767.87x = 78,100,887,912.52
  5. Step 5: Solve for x
    x = 78,100,887,912.52/366,767.87
  6. Step 6: Final answer
    x = 212,943.65

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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.