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Finding the Fourth Proportional to 107,974.59, 149,003.97 and 59,576.97

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Solution

The fourth proportional to 107,974.59, 149,003.97 and 59,576.97 is: 82,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,974.59 : 149,003.97 = 59,576.97 : x
  2. Step 2: Convert to fraction form
    107,974.59/149,003.97 = 59,576.97/x
  3. Step 3: Cross multiply
    107,974.59x = 149,003.97 × 59,576.97
  4. Step 4: Simplify right side
    107,974.59x = 8,877,205,050.57
  5. Step 5: Solve for x
    x = 8,877,205,050.57/107,974.59
  6. Step 6: Final answer
    x = 82,215.69

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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.