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Finding the Fourth Proportional to 79,351.37, 109,504.58 and 43,541.97

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Solution

The fourth proportional to 79,351.37, 109,504.58 and 43,541.97 is: 60,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,351.37 : 109,504.58 = 43,541.97 : x
  2. Step 2: Convert to fraction form
    79,351.37/109,504.58 = 43,541.97/x
  3. Step 3: Cross multiply
    79,351.37x = 109,504.58 × 43,541.97
  4. Step 4: Simplify right side
    79,351.37x = 4,768,045,137.22
  5. Step 5: Solve for x
    x = 4,768,045,137.22/79,351.37
  6. Step 6: Final answer
    x = 60,087.75

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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.