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Finding the Fourth Proportional to 79,455.94, 119,183.67 and 49,894.52

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Solution

The fourth proportional to 79,455.94, 119,183.67 and 49,894.52 is: 74,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,455.94 : 119,183.67 = 49,894.52 : x
  2. Step 2: Convert to fraction form
    79,455.94/119,183.67 = 49,894.52/x
  3. Step 3: Cross multiply
    79,455.94x = 119,183.67 × 49,894.52
  4. Step 4: Simplify right side
    79,455.94x = 5,946,611,410.57
  5. Step 5: Solve for x
    x = 5,946,611,410.57/79,455.94
  6. Step 6: Final answer
    x = 74,841.62

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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.