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Finding the Fourth Proportional to 158,491.20, 237,745.32 and 40,163.52

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Solution

The fourth proportional to 158,491.20, 237,745.32 and 40,163.52 is: 60,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,491.20 : 237,745.32 = 40,163.52 : x
  2. Step 2: Convert to fraction form
    158,491.20/237,745.32 = 40,163.52/x
  3. Step 3: Cross multiply
    158,491.20x = 237,745.32 × 40,163.52
  4. Step 4: Simplify right side
    158,491.20x = 9,548,688,914.73
  5. Step 5: Solve for x
    x = 9,548,688,914.73/158,491.20
  6. Step 6: Final answer
    x = 60,247.44

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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.