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Finding the Fourth Proportional to 75,990.34, 104,879.69 and 44,177.69

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Solution

The fourth proportional to 75,990.34, 104,879.69 and 44,177.69 is: 60,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,990.34 : 104,879.69 = 44,177.69 : x
  2. Step 2: Convert to fraction form
    75,990.34/104,879.69 = 44,177.69/x
  3. Step 3: Cross multiply
    75,990.34x = 104,879.69 × 44,177.69
  4. Step 4: Simplify right side
    75,990.34x = 4,633,341,686.83
  5. Step 5: Solve for x
    x = 4,633,341,686.83/75,990.34
  6. Step 6: Final answer
    x = 60,972.78

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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.