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Finding the Fourth Proportional to 188,952.77, 260,742.86 and 104,069.84

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Solution

The fourth proportional to 188,952.77, 260,742.86 and 104,069.84 is: 143,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,952.77 : 260,742.86 = 104,069.84 : x
  2. Step 2: Convert to fraction form
    188,952.77/260,742.86 = 104,069.84/x
  3. Step 3: Cross multiply
    188,952.77x = 260,742.86 × 104,069.84
  4. Step 4: Simplify right side
    188,952.77x = 27,135,466,287.54
  5. Step 5: Solve for x
    x = 27,135,466,287.54/188,952.77
  6. Step 6: Final answer
    x = 143,609.78

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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.