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Finding the Fourth Proportional to 119,811.18, 179,716.77 and 36,694.38

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Solution

The fourth proportional to 119,811.18, 179,716.77 and 36,694.38 is: 55,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,811.18 : 179,716.77 = 36,694.38 : x
  2. Step 2: Convert to fraction form
    119,811.18/179,716.77 = 36,694.38/x
  3. Step 3: Cross multiply
    119,811.18x = 179,716.77 × 36,694.38
  4. Step 4: Simplify right side
    119,811.18x = 6,594,595,450.75
  5. Step 5: Solve for x
    x = 6,594,595,450.75/119,811.18
  6. Step 6: Final answer
    x = 55,041.57

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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.