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Finding the Fourth Proportional to 101,994.50, 152,939.16 and 45,786.44

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Solution

The fourth proportional to 101,994.50, 152,939.16 and 45,786.44 is: 68,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,994.50 : 152,939.16 = 45,786.44 : x
  2. Step 2: Convert to fraction form
    101,994.50/152,939.16 = 45,786.44/x
  3. Step 3: Cross multiply
    101,994.50x = 152,939.16 × 45,786.44
  4. Step 4: Simplify right side
    101,994.50x = 7,002,539,672.99
  5. Step 5: Solve for x
    x = 7,002,539,672.99/101,994.50
  6. Step 6: Final answer
    x = 68,656.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.