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Finding the Fourth Proportional to 79,601.88, 119,361.60 and 23,434.68

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Solution

The fourth proportional to 79,601.88, 119,361.60 and 23,434.68 is: 35,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,601.88 : 119,361.60 = 23,434.68 : x
  2. Step 2: Convert to fraction form
    79,601.88/119,361.60 = 23,434.68/x
  3. Step 3: Cross multiply
    79,601.88x = 119,361.60 × 23,434.68
  4. Step 4: Simplify right side
    79,601.88x = 2,797,200,900.29
  5. Step 5: Solve for x
    x = 2,797,200,900.29/79,601.88
  6. Step 6: Final answer
    x = 35,139.88

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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.