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Finding the Fourth Proportional to 188,954.56, 260,746.08 and 104,069.44

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Solution

The fourth proportional to 188,954.56, 260,746.08 and 104,069.44 is: 143,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,954.56 : 260,746.08 = 104,069.44 : x
  2. Step 2: Convert to fraction form
    188,954.56/260,746.08 = 104,069.44/x
  3. Step 3: Cross multiply
    188,954.56x = 260,746.08 × 104,069.44
  4. Step 4: Simplify right side
    188,954.56x = 27,135,698,527.80
  5. Step 5: Solve for x
    x = 27,135,698,527.80/188,954.56
  6. Step 6: Final answer
    x = 143,609.65

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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.