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Finding the Fourth Proportional to 237,891.30, 356,837.57 and 80,230.50

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Solution

The fourth proportional to 237,891.30, 356,837.57 and 80,230.50 is: 120,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,891.30 : 356,837.57 = 80,230.50 : x
  2. Step 2: Convert to fraction form
    237,891.30/356,837.57 = 80,230.50/x
  3. Step 3: Cross multiply
    237,891.30x = 356,837.57 × 80,230.50
  4. Step 4: Simplify right side
    237,891.30x = 28,629,256,659.89
  5. Step 5: Solve for x
    x = 28,629,256,659.89/237,891.30
  6. Step 6: Final answer
    x = 120,345.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.