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Finding the Fourth Proportional to 188,964.39, 260,770.83 and 104,081.44

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Solution

The fourth proportional to 188,964.39, 260,770.83 and 104,081.44 is: 143,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,964.39 : 260,770.83 = 104,081.44 : x
  2. Step 2: Convert to fraction form
    188,964.39/260,770.83 = 104,081.44/x
  3. Step 3: Cross multiply
    188,964.39x = 260,770.83 × 104,081.44
  4. Step 4: Simplify right side
    188,964.39x = 27,141,403,496.40
  5. Step 5: Solve for x
    x = 27,141,403,496.40/188,964.39
  6. Step 6: Final answer
    x = 143,632.37

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Why These Related Problems?

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