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Finding the Fourth Proportional to 108,570.62, 162,857.96 and 33,693.20

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Solution

The fourth proportional to 108,570.62, 162,857.96 and 33,693.20 is: 50,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,570.62 : 162,857.96 = 33,693.20 : x
  2. Step 2: Convert to fraction form
    108,570.62/162,857.96 = 33,693.20/x
  3. Step 3: Cross multiply
    108,570.62x = 162,857.96 × 33,693.20
  4. Step 4: Simplify right side
    108,570.62x = 5,487,205,817.87
  5. Step 5: Solve for x
    x = 5,487,205,817.87/108,570.62
  6. Step 6: Final answer
    x = 50,540.43

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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.