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Finding the Fourth Proportional to 135,732.44, 203,600.22 and 40,963.45

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Solution

The fourth proportional to 135,732.44, 203,600.22 and 40,963.45 is: 61,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,732.44 : 203,600.22 = 40,963.45 : x
  2. Step 2: Convert to fraction form
    135,732.44/203,600.22 = 40,963.45/x
  3. Step 3: Cross multiply
    135,732.44x = 203,600.22 × 40,963.45
  4. Step 4: Simplify right side
    135,732.44x = 8,340,167,431.96
  5. Step 5: Solve for x
    x = 8,340,167,431.96/135,732.44
  6. Step 6: Final answer
    x = 61,445.65

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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.