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Finding the Fourth Proportional to 168,697.67, 253,051.05 and 73,879.07

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Solution

The fourth proportional to 168,697.67, 253,051.05 and 73,879.07 is: 110,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,697.67 : 253,051.05 = 73,879.07 : x
  2. Step 2: Convert to fraction form
    168,697.67/253,051.05 = 73,879.07/x
  3. Step 3: Cross multiply
    168,697.67x = 253,051.05 × 73,879.07
  4. Step 4: Simplify right side
    168,697.67x = 18,695,176,236.52
  5. Step 5: Solve for x
    x = 18,695,176,236.52/168,697.67
  6. Step 6: Final answer
    x = 110,820.60

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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.