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Finding the Fourth Proportional to 108,600.30, 162,912.60 and 33,719.85

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Solution

The fourth proportional to 108,600.30, 162,912.60 and 33,719.85 is: 50,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,600.30 : 162,912.60 = 33,719.85 : x
  2. Step 2: Convert to fraction form
    108,600.30/162,912.60 = 33,719.85/x
  3. Step 3: Cross multiply
    108,600.30x = 162,912.60 × 33,719.85
  4. Step 4: Simplify right side
    108,600.30x = 5,493,388,435.11
  5. Step 5: Solve for x
    x = 5,493,388,435.11/108,600.30
  6. Step 6: Final answer
    x = 50,583.55

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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.