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Finding the Fourth Proportional to 79,963.58, 119,934.21 and 43,951.34

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Solution

The fourth proportional to 79,963.58, 119,934.21 and 43,951.34 is: 65,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,963.58 : 119,934.21 = 43,951.34 : x
  2. Step 2: Convert to fraction form
    79,963.58/119,934.21 = 43,951.34/x
  3. Step 3: Cross multiply
    79,963.58x = 119,934.21 × 43,951.34
  4. Step 4: Simplify right side
    79,963.58x = 5,271,269,241.34
  5. Step 5: Solve for x
    x = 5,271,269,241.34/79,963.58
  6. Step 6: Final answer
    x = 65,920.88

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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.