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Finding the Fourth Proportional to 111,465.94, 167,163.79 and 36,568.63

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Solution

The fourth proportional to 111,465.94, 167,163.79 and 36,568.63 is: 54,841.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,465.94 : 167,163.79 = 36,568.63 : x
  2. Step 2: Convert to fraction form
    111,465.94/167,163.79 = 36,568.63/x
  3. Step 3: Cross multiply
    111,465.94x = 167,163.79 × 36,568.63
  4. Step 4: Simplify right side
    111,465.94x = 6,112,950,785.91
  5. Step 5: Solve for x
    x = 6,112,950,785.91/111,465.94
  6. Step 6: Final answer
    x = 54,841.42

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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.