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Finding the Fourth Proportional to 111,382.94, 167,081.16 and 44,822.82

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Solution

The fourth proportional to 111,382.94, 167,081.16 and 44,822.82 is: 67,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,382.94 : 167,081.16 = 44,822.82 : x
  2. Step 2: Convert to fraction form
    111,382.94/167,081.16 = 44,822.82/x
  3. Step 3: Cross multiply
    111,382.94x = 167,081.16 × 44,822.82
  4. Step 4: Simplify right side
    111,382.94x = 7,489,048,760.07
  5. Step 5: Solve for x
    x = 7,489,048,760.07/111,382.94
  6. Step 6: Final answer
    x = 67,236.95

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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.