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Finding the Fourth Proportional to 269,334.92, 371,647.22 and 154,618.56

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Solution

The fourth proportional to 269,334.92, 371,647.22 and 154,618.56 is: 213,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,334.92 : 371,647.22 = 154,618.56 : x
  2. Step 2: Convert to fraction form
    269,334.92/371,647.22 = 154,618.56/x
  3. Step 3: Cross multiply
    269,334.92x = 371,647.22 × 154,618.56
  4. Step 4: Simplify right side
    269,334.92x = 57,463,557,984.40
  5. Step 5: Solve for x
    x = 57,463,557,984.40/269,334.92
  6. Step 6: Final answer
    x = 213,353.54

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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.