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Finding the Fourth Proportional to 133,183.44, 199,848.97 and 54,291.52

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Solution

The fourth proportional to 133,183.44, 199,848.97 and 54,291.52 is: 81,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,183.44 : 199,848.97 = 54,291.52 : x
  2. Step 2: Convert to fraction form
    133,183.44/199,848.97 = 54,291.52/x
  3. Step 3: Cross multiply
    133,183.44x = 199,848.97 × 54,291.52
  4. Step 4: Simplify right side
    133,183.44x = 10,850,103,545.26
  5. Step 5: Solve for x
    x = 10,850,103,545.26/133,183.44
  6. Step 6: Final answer
    x = 81,467.36

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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.