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Finding the Fourth Proportional to 73,318.44, 109,983.84 and 23,405.67

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Solution

The fourth proportional to 73,318.44, 109,983.84 and 23,405.67 is: 35,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,318.44 : 109,983.84 = 23,405.67 : x
  2. Step 2: Convert to fraction form
    73,318.44/109,983.84 = 23,405.67/x
  3. Step 3: Cross multiply
    73,318.44x = 109,983.84 × 23,405.67
  4. Step 4: Simplify right side
    73,318.44x = 2,574,245,464.37
  5. Step 5: Solve for x
    x = 2,574,245,464.37/73,318.44
  6. Step 6: Final answer
    x = 35,110.48

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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.