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Finding the Fourth Proportional to 108,563.27, 162,860.36 and 33,689.88

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Solution

The fourth proportional to 108,563.27, 162,860.36 and 33,689.88 is: 50,539.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,563.27 : 162,860.36 = 33,689.88 : x
  2. Step 2: Convert to fraction form
    108,563.27/162,860.36 = 33,689.88/x
  3. Step 3: Cross multiply
    108,563.27x = 162,860.36 × 33,689.88
  4. Step 4: Simplify right side
    108,563.27x = 5,486,745,816.71
  5. Step 5: Solve for x
    x = 5,486,745,816.71/108,563.27
  6. Step 6: Final answer
    x = 50,539.62

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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.