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Finding the Fourth Proportional to 120,794.36, 181,201.82 and 36,555.24

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Solution

The fourth proportional to 120,794.36, 181,201.82 and 36,555.24 is: 54,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,794.36 : 181,201.82 = 36,555.24 : x
  2. Step 2: Convert to fraction form
    120,794.36/181,201.82 = 36,555.24/x
  3. Step 3: Cross multiply
    120,794.36x = 181,201.82 × 36,555.24
  4. Step 4: Simplify right side
    120,794.36x = 6,623,876,018.54
  5. Step 5: Solve for x
    x = 6,623,876,018.54/120,794.36
  6. Step 6: Final answer
    x = 54,835.97

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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.