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Finding the Fourth Proportional to 108,581.40, 162,843.30 and 33,701.40

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Solution

The fourth proportional to 108,581.40, 162,843.30 and 33,701.40 is: 50,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,581.40 : 162,843.30 = 33,701.40 : x
  2. Step 2: Convert to fraction form
    108,581.40/162,843.30 = 33,701.40/x
  3. Step 3: Cross multiply
    108,581.40x = 162,843.30 × 33,701.40
  4. Step 4: Simplify right side
    108,581.40x = 5,488,047,190.62
  5. Step 5: Solve for x
    x = 5,488,047,190.62/108,581.40
  6. Step 6: Final answer
    x = 50,543.16

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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.