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Finding the Fourth Proportional to 200,093.10, 300,042.45 and 111,252.30

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Solution

The fourth proportional to 200,093.10, 300,042.45 and 111,252.30 is: 166,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,093.10 : 300,042.45 = 111,252.30 : x
  2. Step 2: Convert to fraction form
    200,093.10/300,042.45 = 111,252.30/x
  3. Step 3: Cross multiply
    200,093.10x = 300,042.45 × 111,252.30
  4. Step 4: Simplify right side
    200,093.10x = 33,380,412,660.14
  5. Step 5: Solve for x
    x = 33,380,412,660.14/200,093.10
  6. Step 6: Final answer
    x = 166,824.41

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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.