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Finding the Fourth Proportional to 110,690.78, 166,116.81 and 44,149.94

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Solution

The fourth proportional to 110,690.78, 166,116.81 and 44,149.94 is: 66,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,690.78 : 166,116.81 = 44,149.94 : x
  2. Step 2: Convert to fraction form
    110,690.78/166,116.81 = 44,149.94/x
  3. Step 3: Cross multiply
    110,690.78x = 166,116.81 × 44,149.94
  4. Step 4: Simplify right side
    110,690.78x = 7,334,046,623.12
  5. Step 5: Solve for x
    x = 7,334,046,623.12/110,690.78
  6. Step 6: Final answer
    x = 66,257.07

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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.