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Finding the Fourth Proportional to 445,164.89, 667,741.39 and 108,204.62

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Solution

The fourth proportional to 445,164.89, 667,741.39 and 108,204.62 is: 162,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,164.89 : 667,741.39 = 108,204.62 : x
  2. Step 2: Convert to fraction form
    445,164.89/667,741.39 = 108,204.62/x
  3. Step 3: Cross multiply
    445,164.89x = 667,741.39 × 108,204.62
  4. Step 4: Simplify right side
    445,164.89x = 72,252,699,754.00
  5. Step 5: Solve for x
    x = 72,252,699,754.00/445,164.89
  6. Step 6: Final answer
    x = 162,305.48

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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.