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Finding the Fourth Proportional to 79,593.58, 109,842.02 and 43,786.32

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Solution

The fourth proportional to 79,593.58, 109,842.02 and 43,786.32 is: 60,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,593.58 : 109,842.02 = 43,786.32 : x
  2. Step 2: Convert to fraction form
    79,593.58/109,842.02 = 43,786.32/x
  3. Step 3: Cross multiply
    79,593.58x = 109,842.02 × 43,786.32
  4. Step 4: Simplify right side
    79,593.58x = 4,809,577,837.17
  5. Step 5: Solve for x
    x = 4,809,577,837.17/79,593.58
  6. Step 6: Final answer
    x = 60,426.71

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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.