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Finding the Fourth Proportional to 246,433.50, 369,672.78 and 68,939.98

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Solution

The fourth proportional to 246,433.50, 369,672.78 and 68,939.98 is: 103,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,433.50 : 369,672.78 = 68,939.98 : x
  2. Step 2: Convert to fraction form
    246,433.50/369,672.78 = 68,939.98/x
  3. Step 3: Cross multiply
    246,433.50x = 369,672.78 × 68,939.98
  4. Step 4: Simplify right side
    246,433.50x = 25,485,233,715.04
  5. Step 5: Solve for x
    x = 25,485,233,715.04/246,433.50
  6. Step 6: Final answer
    x = 103,416.27

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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.