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Finding the Fourth Proportional to 188,855.70, 283,611.60 and 100,282.20

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Solution

The fourth proportional to 188,855.70, 283,611.60 and 100,282.20 is: 150,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,855.70 : 283,611.60 = 100,282.20 : x
  2. Step 2: Convert to fraction form
    188,855.70/283,611.60 = 100,282.20/x
  3. Step 3: Cross multiply
    188,855.70x = 283,611.60 × 100,282.20
  4. Step 4: Simplify right side
    188,855.70x = 28,441,195,193.52
  5. Step 5: Solve for x
    x = 28,441,195,193.52/188,855.70
  6. Step 6: Final answer
    x = 150,597.49

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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.