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Finding the Fourth Proportional to 73,080.93, 109,632.83 and 30,961.11

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Solution

The fourth proportional to 73,080.93, 109,632.83 and 30,961.11 is: 46,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,080.93 : 109,632.83 = 30,961.11 : x
  2. Step 2: Convert to fraction form
    73,080.93/109,632.83 = 30,961.11/x
  3. Step 3: Cross multiply
    73,080.93x = 109,632.83 × 30,961.11
  4. Step 4: Simplify right side
    73,080.93x = 3,394,353,954.44
  5. Step 5: Solve for x
    x = 3,394,353,954.44/73,080.93
  6. Step 6: Final answer
    x = 46,446.51

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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.