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Finding the Fourth Proportional to 161,163.20, 241,453.20 and 137,835.20

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Solution

The fourth proportional to 161,163.20, 241,453.20 and 137,835.20 is: 206,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,163.20 : 241,453.20 = 137,835.20 : x
  2. Step 2: Convert to fraction form
    161,163.20/241,453.20 = 137,835.20/x
  3. Step 3: Cross multiply
    161,163.20x = 241,453.20 × 137,835.20
  4. Step 4: Simplify right side
    161,163.20x = 33,280,750,112.64
  5. Step 5: Solve for x
    x = 33,280,750,112.64/161,163.20
  6. Step 6: Final answer
    x = 206,503.41

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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.