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Finding the Fourth Proportional to 266,704.23, 400,055.94 and 122,593.89

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Solution

The fourth proportional to 266,704.23, 400,055.94 and 122,593.89 is: 183,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,704.23 : 400,055.94 = 122,593.89 : x
  2. Step 2: Convert to fraction form
    266,704.23/400,055.94 = 122,593.89/x
  3. Step 3: Cross multiply
    266,704.23x = 400,055.94 × 122,593.89
  4. Step 4: Simplify right side
    266,704.23x = 49,044,413,902.21
  5. Step 5: Solve for x
    x = 49,044,413,902.21/266,704.23
  6. Step 6: Final answer
    x = 183,890.65

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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.