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Finding the Fourth Proportional to 135,388.56, 203,082.72 and 36,892.56

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Solution

The fourth proportional to 135,388.56, 203,082.72 and 36,892.56 is: 55,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,388.56 : 203,082.72 = 36,892.56 : x
  2. Step 2: Convert to fraction form
    135,388.56/203,082.72 = 36,892.56/x
  3. Step 3: Cross multiply
    135,388.56x = 203,082.72 × 36,892.56
  4. Step 4: Simplify right side
    135,388.56x = 7,492,241,432.56
  5. Step 5: Solve for x
    x = 7,492,241,432.56/135,388.56
  6. Step 6: Final answer
    x = 55,338.81

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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.