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Finding the Fourth Proportional to 188,144.52, 259,639.54 and 107,573.64

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Solution

The fourth proportional to 188,144.52, 259,639.54 and 107,573.64 is: 148,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,144.52 : 259,639.54 = 107,573.64 : x
  2. Step 2: Convert to fraction form
    188,144.52/259,639.54 = 107,573.64/x
  3. Step 3: Cross multiply
    188,144.52x = 259,639.54 × 107,573.64
  4. Step 4: Simplify right side
    188,144.52x = 27,930,370,405.73
  5. Step 5: Solve for x
    x = 27,930,370,405.73/188,144.52
  6. Step 6: Final answer
    x = 148,451.68

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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.