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Finding the Fourth Proportional to 253,099.44, 379,519.74 and 84,558.96

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Solution

The fourth proportional to 253,099.44, 379,519.74 and 84,558.96 is: 126,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,099.44 : 379,519.74 = 84,558.96 : x
  2. Step 2: Convert to fraction form
    253,099.44/379,519.74 = 84,558.96/x
  3. Step 3: Cross multiply
    253,099.44x = 379,519.74 × 84,558.96
  4. Step 4: Simplify right side
    253,099.44x = 32,091,794,513.87
  5. Step 5: Solve for x
    x = 32,091,794,513.87/253,099.44
  6. Step 6: Final answer
    x = 126,795.20

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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.