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Finding the Fourth Proportional to 237,968.67, 356,954.22 and 80,198.49

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Solution

The fourth proportional to 237,968.67, 356,954.22 and 80,198.49 is: 120,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,968.67 : 356,954.22 = 80,198.49 : x
  2. Step 2: Convert to fraction form
    237,968.67/356,954.22 = 80,198.49/x
  3. Step 3: Cross multiply
    237,968.67x = 356,954.22 × 80,198.49
  4. Step 4: Simplify right side
    237,968.67x = 28,627,189,443.13
  5. Step 5: Solve for x
    x = 28,627,189,443.13/237,968.67
  6. Step 6: Final answer
    x = 120,298.14

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Why These Related Problems?

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