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Finding the Fourth Proportional to 108,814.44, 162,882.46 and 83,789.48

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Solution

The fourth proportional to 108,814.44, 162,882.46 and 83,789.48 is: 125,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,814.44 : 162,882.46 = 83,789.48 : x
  2. Step 2: Convert to fraction form
    108,814.44/162,882.46 = 83,789.48/x
  3. Step 3: Cross multiply
    108,814.44x = 162,882.46 × 83,789.48
  4. Step 4: Simplify right side
    108,814.44x = 13,647,836,624.52
  5. Step 5: Solve for x
    x = 13,647,836,624.52/108,814.44
  6. Step 6: Final answer
    x = 125,423.03

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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.