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Finding the Fourth Proportional to 188,625.70, 283,266.60 and 100,052.20

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Solution

The fourth proportional to 188,625.70, 283,266.60 and 100,052.20 is: 150,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,625.70 : 283,266.60 = 100,052.20 : x
  2. Step 2: Convert to fraction form
    188,625.70/283,266.60 = 100,052.20/x
  3. Step 3: Cross multiply
    188,625.70x = 283,266.60 × 100,052.20
  4. Step 4: Simplify right side
    188,625.70x = 28,341,446,516.52
  5. Step 5: Solve for x
    x = 28,341,446,516.52/188,625.70
  6. Step 6: Final answer
    x = 150,252.31

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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.