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Finding the Fourth Proportional to 73,177.88, 100,990.14 and 44,879.72

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Solution

The fourth proportional to 73,177.88, 100,990.14 and 44,879.72 is: 61,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,177.88 : 100,990.14 = 44,879.72 : x
  2. Step 2: Convert to fraction form
    73,177.88/100,990.14 = 44,879.72/x
  3. Step 3: Cross multiply
    73,177.88x = 100,990.14 × 44,879.72
  4. Step 4: Simplify right side
    73,177.88x = 4,532,409,205.96
  5. Step 5: Solve for x
    x = 4,532,409,205.96/73,177.88
  6. Step 6: Final answer
    x = 61,936.87

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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.