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Finding the Fourth Proportional to 79,793.76, 110,113.29 and 43,983.91

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Solution

The fourth proportional to 79,793.76, 110,113.29 and 43,983.91 is: 60,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,793.76 : 110,113.29 = 43,983.91 : x
  2. Step 2: Convert to fraction form
    79,793.76/110,113.29 = 43,983.91/x
  3. Step 3: Cross multiply
    79,793.76x = 110,113.29 × 43,983.91
  4. Step 4: Simplify right side
    79,793.76x = 4,843,212,989.25
  5. Step 5: Solve for x
    x = 4,843,212,989.25/79,793.76
  6. Step 6: Final answer
    x = 60,696.64

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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.