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Finding the Fourth Proportional to 188,033.91, 259,486.84 and 103,150.97

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Solution

The fourth proportional to 188,033.91, 259,486.84 and 103,150.97 is: 142,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,033.91 : 259,486.84 = 103,150.97 : x
  2. Step 2: Convert to fraction form
    188,033.91/259,486.84 = 103,150.97/x
  3. Step 3: Cross multiply
    188,033.91x = 259,486.84 × 103,150.97
  4. Step 4: Simplify right side
    188,033.91x = 26,766,319,052.82
  5. Step 5: Solve for x
    x = 26,766,319,052.82/188,033.91
  6. Step 6: Final answer
    x = 142,348.36

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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.