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Finding the Fourth Proportional to 168,065.88, 231,935.86 and 92,619.24

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Solution

The fourth proportional to 168,065.88, 231,935.86 and 92,619.24 is: 127,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,065.88 : 231,935.86 = 92,619.24 : x
  2. Step 2: Convert to fraction form
    168,065.88/231,935.86 = 92,619.24/x
  3. Step 3: Cross multiply
    168,065.88x = 231,935.86 × 92,619.24
  4. Step 4: Simplify right side
    168,065.88x = 21,481,723,081.95
  5. Step 5: Solve for x
    x = 21,481,723,081.95/168,065.88
  6. Step 6: Final answer
    x = 127,817.28

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