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Finding the Fourth Proportional to 110,940.90, 166,520.70 and 54,844.35

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Solution

The fourth proportional to 110,940.90, 166,520.70 and 54,844.35 is: 82,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,940.90 : 166,520.70 = 54,844.35 : x
  2. Step 2: Convert to fraction form
    110,940.90/166,520.70 = 54,844.35/x
  3. Step 3: Cross multiply
    110,940.90x = 166,520.70 × 54,844.35
  4. Step 4: Simplify right side
    110,940.90x = 9,132,719,553.05
  5. Step 5: Solve for x
    x = 9,132,719,553.05/110,940.90
  6. Step 6: Final answer
    x = 82,320.58

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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.