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Finding the Fourth Proportional to 161,163.88, 222,371.94 and 94,065.64

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Solution

The fourth proportional to 161,163.88, 222,371.94 and 94,065.64 is: 129,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,163.88 : 222,371.94 = 94,065.64 : x
  2. Step 2: Convert to fraction form
    161,163.88/222,371.94 = 94,065.64/x
  3. Step 3: Cross multiply
    161,163.88x = 222,371.94 × 94,065.64
  4. Step 4: Simplify right side
    161,163.88x = 20,917,558,854.14
  5. Step 5: Solve for x
    x = 20,917,558,854.14/161,163.88
  6. Step 6: Final answer
    x = 129,790.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.