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Finding the Fourth Proportional to 110,893.80, 166,340.70 and 92,194.95

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Solution

The fourth proportional to 110,893.80, 166,340.70 and 92,194.95 is: 138,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,893.80 : 166,340.70 = 92,194.95 : x
  2. Step 2: Convert to fraction form
    110,893.80/166,340.70 = 92,194.95/x
  3. Step 3: Cross multiply
    110,893.80x = 166,340.70 × 92,194.95
  4. Step 4: Simplify right side
    110,893.80x = 15,335,772,519.47
  5. Step 5: Solve for x
    x = 15,335,772,519.47/110,893.80
  6. Step 6: Final answer
    x = 138,292.43

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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.