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Finding the Fourth Proportional to 62,843,907.06, 86,723,229.78 and 36,383,375.82

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Solution

The fourth proportional to 62,843,907.06, 86,723,229.78 and 36,383,375.82 is: 50,208,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,843,907.06 : 86,723,229.78 = 36,383,375.82 : x
  2. Step 2: Convert to fraction form
    62,843,907.06/86,723,229.78 = 36,383,375.82/x
  3. Step 3: Cross multiply
    62,843,907.06x = 86,723,229.78 × 36,383,375.82
  4. Step 4: Simplify right side
    62,843,907.06x = 3,155,283,861,409,956
  5. Step 5: Solve for x
    x = 3,155,283,861,409,956/62,843,907.06
  6. Step 6: Final answer
    x = 50,208,270.13

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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.