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Finding the Fourth Proportional to 79,194.92, 109,288.98 and 47,363.81

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Solution

The fourth proportional to 79,194.92, 109,288.98 and 47,363.81 is: 65,362.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,194.92 : 109,288.98 = 47,363.81 : x
  2. Step 2: Convert to fraction form
    79,194.92/109,288.98 = 47,363.81/x
  3. Step 3: Cross multiply
    79,194.92x = 109,288.98 × 47,363.81
  4. Step 4: Simplify right side
    79,194.92x = 5,176,342,757.04
  5. Step 5: Solve for x
    x = 5,176,342,757.04/79,194.92
  6. Step 6: Final answer
    x = 65,362.06

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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.