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Finding the Fourth Proportional to 92,993.94, 139,409.06 and 36,873.44

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Solution

The fourth proportional to 92,993.94, 139,409.06 and 36,873.44 is: 55,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,993.94 : 139,409.06 = 36,873.44 : x
  2. Step 2: Convert to fraction form
    92,993.94/139,409.06 = 36,873.44/x
  3. Step 3: Cross multiply
    92,993.94x = 139,409.06 × 36,873.44
  4. Step 4: Simplify right side
    92,993.94x = 5,140,491,609.37
  5. Step 5: Solve for x
    x = 5,140,491,609.37/92,993.94
  6. Step 6: Final answer
    x = 55,277.71

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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.