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Finding the Fourth Proportional to 79,598.36, 109,843.94 and 43,787.58

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Solution

The fourth proportional to 79,598.36, 109,843.94 and 43,787.58 is: 60,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,598.36 : 109,843.94 = 43,787.58 : x
  2. Step 2: Convert to fraction form
    79,598.36/109,843.94 = 43,787.58/x
  3. Step 3: Cross multiply
    79,598.36x = 109,843.94 × 43,787.58
  4. Step 4: Simplify right side
    79,598.36x = 4,809,800,091.33
  5. Step 5: Solve for x
    x = 4,809,800,091.33/79,598.36
  6. Step 6: Final answer
    x = 60,425.87

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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.