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Finding the Fourth Proportional to 119,778.70, 179,698.82 and 44,899.86

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Solution

The fourth proportional to 119,778.70, 179,698.82 and 44,899.86 is: 67,361.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,778.70 : 179,698.82 = 44,899.86 : x
  2. Step 2: Convert to fraction form
    119,778.70/179,698.82 = 44,899.86/x
  3. Step 3: Cross multiply
    119,778.70x = 179,698.82 × 44,899.86
  4. Step 4: Simplify right side
    119,778.70x = 8,068,451,860.17
  5. Step 5: Solve for x
    x = 8,068,451,860.17/119,778.70
  6. Step 6: Final answer
    x = 67,361.32

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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.