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Finding the Fourth Proportional to 110,982.80, 166,474.20 and 48,653.30

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Solution

The fourth proportional to 110,982.80, 166,474.20 and 48,653.30 is: 72,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,982.80 : 166,474.20 = 48,653.30 : x
  2. Step 2: Convert to fraction form
    110,982.80/166,474.20 = 48,653.30/x
  3. Step 3: Cross multiply
    110,982.80x = 166,474.20 × 48,653.30
  4. Step 4: Simplify right side
    110,982.80x = 8,099,519,194.86
  5. Step 5: Solve for x
    x = 8,099,519,194.86/110,982.80
  6. Step 6: Final answer
    x = 72,979.95

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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.