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Finding the Fourth Proportional to 171,115.86, 256,654.17 and 44,768.29

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Solution

The fourth proportional to 171,115.86, 256,654.17 and 44,768.29 is: 67,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,115.86 : 256,654.17 = 44,768.29 : x
  2. Step 2: Convert to fraction form
    171,115.86/256,654.17 = 44,768.29/x
  3. Step 3: Cross multiply
    171,115.86x = 256,654.17 × 44,768.29
  4. Step 4: Simplify right side
    171,115.86x = 11,489,968,841.98
  5. Step 5: Solve for x
    x = 11,489,968,841.98/171,115.86
  6. Step 6: Final answer
    x = 67,147.31

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1.5x scale

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.