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Finding the Fourth Proportional to 74,992.32, 112,377.44 and 32,833.44

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Solution

The fourth proportional to 74,992.32, 112,377.44 and 32,833.44 is: 49,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,992.32 : 112,377.44 = 32,833.44 : x
  2. Step 2: Convert to fraction form
    74,992.32/112,377.44 = 32,833.44/x
  3. Step 3: Cross multiply
    74,992.32x = 112,377.44 × 32,833.44
  4. Step 4: Simplify right side
    74,992.32x = 3,689,737,933.59
  5. Step 5: Solve for x
    x = 3,689,737,933.59/74,992.32
  6. Step 6: Final answer
    x = 49,201.54

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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.