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Finding the Fourth Proportional to 201,253.05, 301,934.03 and 68,133.33

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Solution

The fourth proportional to 201,253.05, 301,934.03 and 68,133.33 is: 102,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,253.05 : 301,934.03 = 68,133.33 : x
  2. Step 2: Convert to fraction form
    201,253.05/301,934.03 = 68,133.33/x
  3. Step 3: Cross multiply
    201,253.05x = 301,934.03 × 68,133.33
  4. Step 4: Simplify right side
    201,253.05x = 20,571,770,904.22
  5. Step 5: Solve for x
    x = 20,571,770,904.22/201,253.05
  6. Step 6: Final answer
    x = 102,218.43

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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.