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Finding the Fourth Proportional to 110,894.80, 166,342.20 and 92,195.95

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Solution

The fourth proportional to 110,894.80, 166,342.20 and 92,195.95 is: 138,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,894.80 : 166,342.20 = 92,195.95 : x
  2. Step 2: Convert to fraction form
    110,894.80/166,342.20 = 92,195.95/x
  3. Step 3: Cross multiply
    110,894.80x = 166,342.20 × 92,195.95
  4. Step 4: Simplify right side
    110,894.80x = 15,336,077,154.09
  5. Step 5: Solve for x
    x = 15,336,077,154.09/110,894.80
  6. Step 6: Final answer
    x = 138,293.93

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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.