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Finding the Fourth Proportional to 80,232.68, 110,722.77 and 43,935.66

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Solution

The fourth proportional to 80,232.68, 110,722.77 and 43,935.66 is: 60,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,232.68 : 110,722.77 = 43,935.66 : x
  2. Step 2: Convert to fraction form
    80,232.68/110,722.77 = 43,935.66/x
  3. Step 3: Cross multiply
    80,232.68x = 110,722.77 × 43,935.66
  4. Step 4: Simplify right side
    80,232.68x = 4,864,677,976.98
  5. Step 5: Solve for x
    x = 4,864,677,976.98/80,232.68
  6. Step 6: Final answer
    x = 60,632.13

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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.