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Finding the Fourth Proportional to 110,773.95, 166,247.73 and 77,276.13

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Solution

The fourth proportional to 110,773.95, 166,247.73 and 77,276.13 is: 115,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,773.95 : 166,247.73 = 77,276.13 : x
  2. Step 2: Convert to fraction form
    110,773.95/166,247.73 = 77,276.13/x
  3. Step 3: Cross multiply
    110,773.95x = 166,247.73 × 77,276.13
  4. Step 4: Simplify right side
    110,773.95x = 12,846,981,195.68
  5. Step 5: Solve for x
    x = 12,846,981,195.68/110,773.95
  6. Step 6: Final answer
    x = 115,974.75

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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.