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Finding the Fourth Proportional to 246,414.56, 340,104.80 and 155,712.80

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Solution

The fourth proportional to 246,414.56, 340,104.80 and 155,712.80 is: 214,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,414.56 : 340,104.80 = 155,712.80 : x
  2. Step 2: Convert to fraction form
    246,414.56/340,104.80 = 155,712.80/x
  3. Step 3: Cross multiply
    246,414.56x = 340,104.80 × 155,712.80
  4. Step 4: Simplify right side
    246,414.56x = 52,958,670,701.44
  5. Step 5: Solve for x
    x = 52,958,670,701.44/246,414.56
  6. Step 6: Final answer
    x = 214,916.97

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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.