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Finding the Fourth Proportional to 79,195.67, 109,285.43 and 43,379.44

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Solution

The fourth proportional to 79,195.67, 109,285.43 and 43,379.44 is: 59,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,195.67 : 109,285.43 = 43,379.44 : x
  2. Step 2: Convert to fraction form
    79,195.67/109,285.43 = 43,379.44/x
  3. Step 3: Cross multiply
    79,195.67x = 109,285.43 × 43,379.44
  4. Step 4: Simplify right side
    79,195.67x = 4,740,740,263.45
  5. Step 5: Solve for x
    x = 4,740,740,263.45/79,195.67
  6. Step 6: Final answer
    x = 59,861.11

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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.