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Finding the Fourth Proportional to 135,362.88, 203,042.88 and 52,198.56

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Solution

The fourth proportional to 135,362.88, 203,042.88 and 52,198.56 is: 78,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,362.88 : 203,042.88 = 52,198.56 : x
  2. Step 2: Convert to fraction form
    135,362.88/203,042.88 = 52,198.56/x
  3. Step 3: Cross multiply
    135,362.88x = 203,042.88 × 52,198.56
  4. Step 4: Simplify right side
    135,362.88x = 10,598,545,954.25
  5. Step 5: Solve for x
    x = 10,598,545,954.25/135,362.88
  6. Step 6: Final answer
    x = 78,297.28

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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.