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Finding the Fourth Proportional to 168,967.56, 253,499.22 and 84,625.86

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Solution

The fourth proportional to 168,967.56, 253,499.22 and 84,625.86 is: 126,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,967.56 : 253,499.22 = 84,625.86 : x
  2. Step 2: Convert to fraction form
    168,967.56/253,499.22 = 84,625.86/x
  3. Step 3: Cross multiply
    168,967.56x = 253,499.22 × 84,625.86
  4. Step 4: Simplify right side
    168,967.56x = 21,452,589,501.83
  5. Step 5: Solve for x
    x = 21,452,589,501.83/168,967.56
  6. Step 6: Final answer
    x = 126,962.77

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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.