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Finding the Fourth Proportional to 188,910.37, 283,476.28 and 135,544.84

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Solution

The fourth proportional to 188,910.37, 283,476.28 and 135,544.84 is: 203,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,910.37 : 283,476.28 = 135,544.84 : x
  2. Step 2: Convert to fraction form
    188,910.37/283,476.28 = 135,544.84/x
  3. Step 3: Cross multiply
    188,910.37x = 283,476.28 × 135,544.84
  4. Step 4: Simplify right side
    188,910.37x = 38,423,747,016.40
  5. Step 5: Solve for x
    x = 38,423,747,016.40/188,910.37
  6. Step 6: Final answer
    x = 203,396.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.