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Finding the Fourth Proportional to 79,888.44, 119,839.38 and 27,301.56

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Solution

The fourth proportional to 79,888.44, 119,839.38 and 27,301.56 is: 40,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,888.44 : 119,839.38 = 27,301.56 : x
  2. Step 2: Convert to fraction form
    79,888.44/119,839.38 = 27,301.56/x
  3. Step 3: Cross multiply
    79,888.44x = 119,839.38 × 27,301.56
  4. Step 4: Simplify right side
    79,888.44x = 3,271,802,023.43
  5. Step 5: Solve for x
    x = 3,271,802,023.43/79,888.44
  6. Step 6: Final answer
    x = 40,954.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.