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Finding the Fourth Proportional to 133,754.14, 200,520.42 and 104,302.54

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Solution

The fourth proportional to 133,754.14, 200,520.42 and 104,302.54 is: 156,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,754.14 : 200,520.42 = 104,302.54 : x
  2. Step 2: Convert to fraction form
    133,754.14/200,520.42 = 104,302.54/x
  3. Step 3: Cross multiply
    133,754.14x = 200,520.42 × 104,302.54
  4. Step 4: Simplify right side
    133,754.14x = 20,914,789,127.87
  5. Step 5: Solve for x
    x = 20,914,789,127.87/133,754.14
  6. Step 6: Final answer
    x = 156,367.42

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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.