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Finding the Fourth Proportional to 133,935.30, 200,902.95 and 104,375.25

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Solution

The fourth proportional to 133,935.30, 200,902.95 and 104,375.25 is: 156,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,935.30 : 200,902.95 = 104,375.25 : x
  2. Step 2: Convert to fraction form
    133,935.30/200,902.95 = 104,375.25/x
  3. Step 3: Cross multiply
    133,935.30x = 200,902.95 × 104,375.25
  4. Step 4: Simplify right side
    133,935.30x = 20,969,295,631.99
  5. Step 5: Solve for x
    x = 20,969,295,631.99/133,935.30
  6. Step 6: Final answer
    x = 156,562.88

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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.