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Finding the Fourth Proportional to 188,673.70, 283,338.60 and 100,100.20

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Solution

The fourth proportional to 188,673.70, 283,338.60 and 100,100.20 is: 150,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,673.70 : 283,338.60 = 100,100.20 : x
  2. Step 2: Convert to fraction form
    188,673.70/283,338.60 = 100,100.20/x
  3. Step 3: Cross multiply
    188,673.70x = 283,338.60 × 100,100.20
  4. Step 4: Simplify right side
    188,673.70x = 28,362,250,527.72
  5. Step 5: Solve for x
    x = 28,362,250,527.72/188,673.70
  6. Step 6: Final answer
    x = 150,324.35

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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.