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Finding the Fourth Proportional to 168,370.99, 252,625.74 and 123,620.86

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Solution

The fourth proportional to 168,370.99, 252,625.74 and 123,620.86 is: 185,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,370.99 : 252,625.74 = 123,620.86 : x
  2. Step 2: Convert to fraction form
    168,370.99/252,625.74 = 123,620.86/x
  3. Step 3: Cross multiply
    168,370.99x = 252,625.74 × 123,620.86
  4. Step 4: Simplify right side
    168,370.99x = 31,229,811,236.94
  5. Step 5: Solve for x
    x = 31,229,811,236.94/168,370.99
  6. Step 6: Final answer
    x = 185,482.14

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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.