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Finding the Fourth Proportional to 135,066.54, 202,608.45 and 51,960.54

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Solution

The fourth proportional to 135,066.54, 202,608.45 and 51,960.54 is: 77,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,066.54 : 202,608.45 = 51,960.54 : x
  2. Step 2: Convert to fraction form
    135,066.54/202,608.45 = 51,960.54/x
  3. Step 3: Cross multiply
    135,066.54x = 202,608.45 × 51,960.54
  4. Step 4: Simplify right side
    135,066.54x = 10,527,644,470.56
  5. Step 5: Solve for x
    x = 10,527,644,470.56/135,066.54
  6. Step 6: Final answer
    x = 77,944.13

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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.