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Finding the Fourth Proportional to 79,835.94, 119,753.91 and 44,778.33

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Solution

The fourth proportional to 79,835.94, 119,753.91 and 44,778.33 is: 67,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,835.94 : 119,753.91 = 44,778.33 : x
  2. Step 2: Convert to fraction form
    79,835.94/119,753.91 = 44,778.33/x
  3. Step 3: Cross multiply
    79,835.94x = 119,753.91 × 44,778.33
  4. Step 4: Simplify right side
    79,835.94x = 5,362,380,100.77
  5. Step 5: Solve for x
    x = 5,362,380,100.77/79,835.94
  6. Step 6: Final answer
    x = 67,167.50

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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.