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Finding the Fourth Proportional to 168,158.26, 231,927.12 and 107,734.48

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Solution

The fourth proportional to 168,158.26, 231,927.12 and 107,734.48 is: 148,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,158.26 : 231,927.12 = 107,734.48 : x
  2. Step 2: Convert to fraction form
    168,158.26/231,927.12 = 107,734.48/x
  3. Step 3: Cross multiply
    168,158.26x = 231,927.12 × 107,734.48
  4. Step 4: Simplify right side
    168,158.26x = 24,986,547,671.10
  5. Step 5: Solve for x
    x = 24,986,547,671.10/168,158.26
  6. Step 6: Final answer
    x = 148,589.48

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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.