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Finding the Fourth Proportional to 201,936.36, 302,940.56 and 67,008.54

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Solution

The fourth proportional to 201,936.36, 302,940.56 and 67,008.54 is: 100,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,936.36 : 302,940.56 = 67,008.54 : x
  2. Step 2: Convert to fraction form
    201,936.36/302,940.56 = 67,008.54/x
  3. Step 3: Cross multiply
    201,936.36x = 302,940.56 × 67,008.54
  4. Step 4: Simplify right side
    201,936.36x = 20,299,604,632.38
  5. Step 5: Solve for x
    x = 20,299,604,632.38/201,936.36
  6. Step 6: Final answer
    x = 100,524.76

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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.