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Finding the Fourth Proportional to 73,894.92, 110,842.62 and 18,490.92

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Solution

The fourth proportional to 73,894.92, 110,842.62 and 18,490.92 is: 27,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,894.92 : 110,842.62 = 18,490.92 : x
  2. Step 2: Convert to fraction form
    73,894.92/110,842.62 = 18,490.92/x
  3. Step 3: Cross multiply
    73,894.92x = 110,842.62 × 18,490.92
  4. Step 4: Simplify right side
    73,894.92x = 2,049,582,019.01
  5. Step 5: Solve for x
    x = 2,049,582,019.01/73,894.92
  6. Step 6: Final answer
    x = 27,736.44

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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.