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Finding the Fourth Proportional to 266,644.62, 367,970.24 and 145,793.71

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Solution

The fourth proportional to 266,644.62, 367,970.24 and 145,793.71 is: 201,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,644.62 : 367,970.24 = 145,793.71 : x
  2. Step 2: Convert to fraction form
    266,644.62/367,970.24 = 145,793.71/x
  3. Step 3: Cross multiply
    266,644.62x = 367,970.24 × 145,793.71
  4. Step 4: Simplify right side
    266,644.62x = 53,647,745,140.60
  5. Step 5: Solve for x
    x = 53,647,745,140.60/266,644.62
  6. Step 6: Final answer
    x = 201,195.68

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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.