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Finding the Fourth Proportional to 227,687.78, 341,548.07 and 87,446.41

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Solution

The fourth proportional to 227,687.78, 341,548.07 and 87,446.41 is: 131,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,687.78 : 341,548.07 = 87,446.41 : x
  2. Step 2: Convert to fraction form
    227,687.78/341,548.07 = 87,446.41/x
  3. Step 3: Cross multiply
    227,687.78x = 341,548.07 × 87,446.41
  4. Step 4: Simplify right side
    227,687.78x = 29,867,152,563.93
  5. Step 5: Solve for x
    x = 29,867,152,563.93/227,687.78
  6. Step 6: Final answer
    x = 131,175.91

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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.