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Finding the Fourth Proportional to 199,994.50, 300,139.44 and 94,813.84

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Solution

The fourth proportional to 199,994.50, 300,139.44 and 94,813.84 is: 142,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,994.50 : 300,139.44 = 94,813.84 : x
  2. Step 2: Convert to fraction form
    199,994.50/300,139.44 = 94,813.84/x
  3. Step 3: Cross multiply
    199,994.50x = 300,139.44 × 94,813.84
  4. Step 4: Simplify right side
    199,994.50x = 28,457,372,841.85
  5. Step 5: Solve for x
    x = 28,457,372,841.85/199,994.50
  6. Step 6: Final answer
    x = 142,290.78

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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.