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Finding the Fourth Proportional to 135,483.28, 203,230.39 and 35,653.57

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Solution

The fourth proportional to 135,483.28, 203,230.39 and 35,653.57 is: 53,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,483.28 : 203,230.39 = 35,653.57 : x
  2. Step 2: Convert to fraction form
    135,483.28/203,230.39 = 35,653.57/x
  3. Step 3: Cross multiply
    135,483.28x = 203,230.39 × 35,653.57
  4. Step 4: Simplify right side
    135,483.28x = 7,245,888,505.91
  5. Step 5: Solve for x
    x = 7,245,888,505.91/135,483.28
  6. Step 6: Final answer
    x = 53,481.79

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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.