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Finding the Fourth Proportional to 188,231.91, 259,760.46 and 103,354.44

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Solution

The fourth proportional to 188,231.91, 259,760.46 and 103,354.44 is: 142,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,231.91 : 259,760.46 = 103,354.44 : x
  2. Step 2: Convert to fraction form
    188,231.91/259,760.46 = 103,354.44/x
  3. Step 3: Cross multiply
    188,231.91x = 259,760.46 × 103,354.44
  4. Step 4: Simplify right side
    188,231.91x = 26,847,396,877.44
  5. Step 5: Solve for x
    x = 26,847,396,877.44/188,231.91
  6. Step 6: Final answer
    x = 142,629.36

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1.5x scale

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.