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Finding the Fourth Proportional to 181,992.78, 273,026.07 and 69,676.65

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Solution

The fourth proportional to 181,992.78, 273,026.07 and 69,676.65 is: 104,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,992.78 : 273,026.07 = 69,676.65 : x
  2. Step 2: Convert to fraction form
    181,992.78/273,026.07 = 69,676.65/x
  3. Step 3: Cross multiply
    181,992.78x = 273,026.07 × 69,676.65
  4. Step 4: Simplify right side
    181,992.78x = 19,023,541,920.27
  5. Step 5: Solve for x
    x = 19,023,541,920.27/181,992.78
  6. Step 6: Final answer
    x = 104,529.10

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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.