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Finding the Fourth Proportional to 203,940.01, 306,096.78 and 104,170.15

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Solution

The fourth proportional to 203,940.01, 306,096.78 and 104,170.15 is: 156,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940.01 : 306,096.78 = 104,170.15 : x
  2. Step 2: Convert to fraction form
    203,940.01/306,096.78 = 104,170.15/x
  3. Step 3: Cross multiply
    203,940.01x = 306,096.78 × 104,170.15
  4. Step 4: Simplify right side
    203,940.01x = 31,886,147,487.12
  5. Step 5: Solve for x
    x = 31,886,147,487.12/203,940.01
  6. Step 6: Final answer
    x = 156,350.62

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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.