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Finding the Fourth Proportional to 101,781.08, 152,546.04 and 73,797.20

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Solution

The fourth proportional to 101,781.08, 152,546.04 and 73,797.20 is: 110,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,781.08 : 152,546.04 = 73,797.20 : x
  2. Step 2: Convert to fraction form
    101,781.08/152,546.04 = 73,797.20/x
  3. Step 3: Cross multiply
    101,781.08x = 152,546.04 × 73,797.20
  4. Step 4: Simplify right side
    101,781.08x = 11,257,470,623.09
  5. Step 5: Solve for x
    x = 11,257,470,623.09/101,781.08
  6. Step 6: Final answer
    x = 110,604.75

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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.