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Finding the Fourth Proportional to 168,382.22, 232,308.84 and 107,986.16

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Solution

The fourth proportional to 168,382.22, 232,308.84 and 107,986.16 is: 148,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,382.22 : 232,308.84 = 107,986.16 : x
  2. Step 2: Convert to fraction form
    168,382.22/232,308.84 = 107,986.16/x
  3. Step 3: Cross multiply
    168,382.22x = 232,308.84 × 107,986.16
  4. Step 4: Simplify right side
    168,382.22x = 25,086,139,640.24
  5. Step 5: Solve for x
    x = 25,086,139,640.24/168,382.22
  6. Step 6: Final answer
    x = 148,983.31

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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.