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Finding the Fourth Proportional to 303,899.86, 419,380.77 and 167,930.02

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Solution

The fourth proportional to 303,899.86, 419,380.77 and 167,930.02 is: 231,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,899.86 : 419,380.77 = 167,930.02 : x
  2. Step 2: Convert to fraction form
    303,899.86/419,380.77 = 167,930.02/x
  3. Step 3: Cross multiply
    303,899.86x = 419,380.77 × 167,930.02
  4. Step 4: Simplify right side
    303,899.86x = 70,426,621,093.72
  5. Step 5: Solve for x
    x = 70,426,621,093.72/303,899.86
  6. Step 6: Final answer
    x = 231,742.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.