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Finding the Fourth Proportional to 246,389.79, 369,608.06 and 68,896.80

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Solution

The fourth proportional to 246,389.79, 369,608.06 and 68,896.80 is: 103,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,389.79 : 369,608.06 = 68,896.80 : x
  2. Step 2: Convert to fraction form
    246,389.79/369,608.06 = 68,896.80/x
  3. Step 3: Cross multiply
    246,389.79x = 369,608.06 × 68,896.80
  4. Step 4: Simplify right side
    246,389.79x = 25,464,812,243.72
  5. Step 5: Solve for x
    x = 25,464,812,243.72/246,389.79
  6. Step 6: Final answer
    x = 103,351.73

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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.