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Finding the Fourth Proportional to 79,958.44, 119,836.86 and 40,525.48

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Solution

The fourth proportional to 79,958.44, 119,836.86 and 40,525.48 is: 60,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,958.44 : 119,836.86 = 40,525.48 : x
  2. Step 2: Convert to fraction form
    79,958.44/119,836.86 = 40,525.48/x
  3. Step 3: Cross multiply
    79,958.44x = 119,836.86 × 40,525.48
  4. Step 4: Simplify right side
    79,958.44x = 4,856,446,273.19
  5. Step 5: Solve for x
    x = 4,856,446,273.19/79,958.44
  6. Step 6: Final answer
    x = 60,737.13

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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.