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Finding the Fourth Proportional to 171,108.13, 256,691.40 and 52,757.41

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Solution

The fourth proportional to 171,108.13, 256,691.40 and 52,757.41 is: 79,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,108.13 : 256,691.40 = 52,757.41 : x
  2. Step 2: Convert to fraction form
    171,108.13/256,691.40 = 52,757.41/x
  3. Step 3: Cross multiply
    171,108.13x = 256,691.40 × 52,757.41
  4. Step 4: Simplify right side
    171,108.13x = 13,542,373,433.27
  5. Step 5: Solve for x
    x = 13,542,373,433.27/171,108.13
  6. Step 6: Final answer
    x = 79,145.12

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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.