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Finding the Fourth Proportional to 80,192, 110,664.96 and 46,680.32

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Solution

The fourth proportional to 80,192, 110,664.96 and 46,680.32 is: 64,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,192 : 110,664.96 = 46,680.32 : x
  2. Step 2: Convert to fraction form
    80,192/110,664.96 = 46,680.32/x
  3. Step 3: Cross multiply
    80,192x = 110,664.96 × 46,680.32
  4. Step 4: Simplify right side
    80,192x = 5,165,875,745.59
  5. Step 5: Solve for x
    x = 5,165,875,745.59/80,192
  6. Step 6: Final answer
    x = 64,418.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.