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Finding the Fourth Proportional to 297,174.62, 445,753.94 and 83,957.21

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Solution

The fourth proportional to 297,174.62, 445,753.94 and 83,957.21 is: 125,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,174.62 : 445,753.94 = 83,957.21 : x
  2. Step 2: Convert to fraction form
    297,174.62/445,753.94 = 83,957.21/x
  3. Step 3: Cross multiply
    297,174.62x = 445,753.94 × 83,957.21
  4. Step 4: Simplify right side
    297,174.62x = 37,424,256,171.93
  5. Step 5: Solve for x
    x = 37,424,256,171.93/297,174.62
  6. Step 6: Final answer
    x = 125,933.55

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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.