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Finding the Fourth Proportional to 104,198.39, 143,794.13 and 56,451.62

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Solution

The fourth proportional to 104,198.39, 143,794.13 and 56,451.62 is: 77,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,198.39 : 143,794.13 = 56,451.62 : x
  2. Step 2: Convert to fraction form
    104,198.39/143,794.13 = 56,451.62/x
  3. Step 3: Cross multiply
    104,198.39x = 143,794.13 × 56,451.62
  4. Step 4: Simplify right side
    104,198.39x = 8,117,410,583.76
  5. Step 5: Solve for x
    x = 8,117,410,583.76/104,198.39
  6. Step 6: Final answer
    x = 77,903.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.