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Finding the Fourth Proportional to 73,079.93, 100,947.13 and 58,793.57

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Solution

The fourth proportional to 73,079.93, 100,947.13 and 58,793.57 is: 81,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,079.93 : 100,947.13 = 58,793.57 : x
  2. Step 2: Convert to fraction form
    73,079.93/100,947.13 = 58,793.57/x
  3. Step 3: Cross multiply
    73,079.93x = 100,947.13 × 58,793.57
  4. Step 4: Simplify right side
    73,079.93x = 5,935,042,153.95
  5. Step 5: Solve for x
    x = 5,935,042,153.95/73,079.93
  6. Step 6: Final answer
    x = 81,213.02

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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.