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Finding the Fourth Proportional to 92,694.96, 139,042.62 and 37,278

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Solution

The fourth proportional to 92,694.96, 139,042.62 and 37,278 is: 55,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,694.96 : 139,042.62 = 37,278 : x
  2. Step 2: Convert to fraction form
    92,694.96/139,042.62 = 37,278/x
  3. Step 3: Cross multiply
    92,694.96x = 139,042.62 × 37,278
  4. Step 4: Simplify right side
    92,694.96x = 5,183,230,788.36
  5. Step 5: Solve for x
    x = 5,183,230,788.36/92,694.96
  6. Step 6: Final answer
    x = 55,917.07

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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.