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Finding the Fourth Proportional to 171,115.92, 256,654.26 and 44,768.36

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Solution

The fourth proportional to 171,115.92, 256,654.26 and 44,768.36 is: 67,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,115.92 : 256,654.26 = 44,768.36 : x
  2. Step 2: Convert to fraction form
    171,115.92/256,654.26 = 44,768.36/x
  3. Step 3: Cross multiply
    171,115.92x = 256,654.26 × 44,768.36
  4. Step 4: Simplify right side
    171,115.92x = 11,489,989,023.94
  5. Step 5: Solve for x
    x = 11,489,989,023.94/171,115.92
  6. Step 6: Final answer
    x = 67,147.40

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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.