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Finding the Fourth Proportional to 119,879.60, 179,768.16 and 44,947.81

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Solution

The fourth proportional to 119,879.60, 179,768.16 and 44,947.81 is: 67,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,879.60 : 179,768.16 = 44,947.81 : x
  2. Step 2: Convert to fraction form
    119,879.60/179,768.16 = 44,947.81/x
  3. Step 3: Cross multiply
    119,879.60x = 179,768.16 × 44,947.81
  4. Step 4: Simplify right side
    119,879.60x = 8,080,185,324.44
  5. Step 5: Solve for x
    x = 8,080,185,324.44/119,879.60
  6. Step 6: Final answer
    x = 67,402.51

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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.