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Finding the Fourth Proportional to 82,052.44, 122,628.89 and 59,912.44

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Solution

The fourth proportional to 82,052.44, 122,628.89 and 59,912.44 is: 89,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,052.44 : 122,628.89 = 59,912.44 : x
  2. Step 2: Convert to fraction form
    82,052.44/122,628.89 = 59,912.44/x
  3. Step 3: Cross multiply
    82,052.44x = 122,628.89 × 59,912.44
  4. Step 4: Simplify right side
    82,052.44x = 7,346,996,014.39
  5. Step 5: Solve for x
    x = 7,346,996,014.39/82,052.44
  6. Step 6: Final answer
    x = 89,540.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.