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Finding the Fourth Proportional to 188,325, 259,911.60 and 108,837

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Solution

The fourth proportional to 188,325, 259,911.60 and 108,837 is: 150,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,325 : 259,911.60 = 108,837 : x
  2. Step 2: Convert to fraction form
    188,325/259,911.60 = 108,837/x
  3. Step 3: Cross multiply
    188,325x = 259,911.60 × 108,837
  4. Step 4: Simplify right side
    188,325x = 28,287,998,809.20
  5. Step 5: Solve for x
    x = 28,287,998,809.20/188,325
  6. Step 6: Final answer
    x = 150,208.41

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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.