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Finding the Fourth Proportional to 110,540.67, 165,794.85 and 54,365.70

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Solution

The fourth proportional to 110,540.67, 165,794.85 and 54,365.70 is: 81,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,540.67 : 165,794.85 = 54,365.70 : x
  2. Step 2: Convert to fraction form
    110,540.67/165,794.85 = 54,365.70/x
  3. Step 3: Cross multiply
    110,540.67x = 165,794.85 × 54,365.70
  4. Step 4: Simplify right side
    110,540.67x = 9,013,553,076.65
  5. Step 5: Solve for x
    x = 9,013,553,076.65/110,540.67
  6. Step 6: Final answer
    x = 81,540.60

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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.