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Finding the Fourth Proportional to 266,992.56, 400,626.99 and 117,337.77

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Solution

The fourth proportional to 266,992.56, 400,626.99 and 117,337.77 is: 176,067.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,992.56 : 400,626.99 = 117,337.77 : x
  2. Step 2: Convert to fraction form
    266,992.56/400,626.99 = 117,337.77/x
  3. Step 3: Cross multiply
    266,992.56x = 400,626.99 × 117,337.77
  4. Step 4: Simplify right side
    266,992.56x = 47,008,677,608.41
  5. Step 5: Solve for x
    x = 47,008,677,608.41/266,992.56
  6. Step 6: Final answer
    x = 176,067.37

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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.