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Finding the Fourth Proportional to 162,961.20, 244,150.20 and 137,883.60

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Solution

The fourth proportional to 162,961.20, 244,150.20 and 137,883.60 is: 206,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,961.20 : 244,150.20 = 137,883.60 : x
  2. Step 2: Convert to fraction form
    162,961.20/244,150.20 = 137,883.60/x
  3. Step 3: Cross multiply
    162,961.20x = 244,150.20 × 137,883.60
  4. Step 4: Simplify right side
    162,961.20x = 33,664,308,516.72
  5. Step 5: Solve for x
    x = 33,664,308,516.72/162,961.20
  6. Step 6: Final answer
    x = 206,578.67

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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.