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Finding the Fourth Proportional to 80,081.87, 119,942.37 and 62,169.93

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Solution

The fourth proportional to 80,081.87, 119,942.37 and 62,169.93 is: 93,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,081.87 : 119,942.37 = 62,169.93 : x
  2. Step 2: Convert to fraction form
    80,081.87/119,942.37 = 62,169.93/x
  3. Step 3: Cross multiply
    80,081.87x = 119,942.37 × 62,169.93
  4. Step 4: Simplify right side
    80,081.87x = 7,456,808,746.93
  5. Step 5: Solve for x
    x = 7,456,808,746.93/80,081.87
  6. Step 6: Final answer
    x = 93,114.82

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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.