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Finding the Fourth Proportional to 266,850.26, 400,323.90 and 126,607.58

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Solution

The fourth proportional to 266,850.26, 400,323.90 and 126,607.58 is: 189,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,850.26 : 400,323.90 = 126,607.58 : x
  2. Step 2: Convert to fraction form
    266,850.26/400,323.90 = 126,607.58/x
  3. Step 3: Cross multiply
    266,850.26x = 400,323.90 × 126,607.58
  4. Step 4: Simplify right side
    266,850.26x = 50,684,040,195.16
  5. Step 5: Solve for x
    x = 50,684,040,195.16/266,850.26
  6. Step 6: Final answer
    x = 189,934.39

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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.