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Finding the Fourth Proportional to 79,198.46, 109,293.84 and 47,367.36

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Solution

The fourth proportional to 79,198.46, 109,293.84 and 47,367.36 is: 65,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,198.46 : 109,293.84 = 47,367.36 : x
  2. Step 2: Convert to fraction form
    79,198.46/109,293.84 = 47,367.36/x
  3. Step 3: Cross multiply
    79,198.46x = 109,293.84 × 47,367.36
  4. Step 4: Simplify right side
    79,198.46x = 5,176,960,665.06
  5. Step 5: Solve for x
    x = 5,176,960,665.06/79,198.46
  6. Step 6: Final answer
    x = 65,366.94

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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.