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Finding the Fourth Proportional to 253,793.93, 350,212.28 and 146,343.20

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Solution

The fourth proportional to 253,793.93, 350,212.28 and 146,343.20 is: 201,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,793.93 : 350,212.28 = 146,343.20 : x
  2. Step 2: Convert to fraction form
    253,793.93/350,212.28 = 146,343.20/x
  3. Step 3: Cross multiply
    253,793.93x = 350,212.28 × 146,343.20
  4. Step 4: Simplify right side
    253,793.93x = 51,251,183,251.72
  5. Step 5: Solve for x
    x = 51,251,183,251.72/253,793.93
  6. Step 6: Final answer
    x = 201,940.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.