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Finding the Fourth Proportional to 110,751.62, 166,161.90 and 39,674.87

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Solution

The fourth proportional to 110,751.62, 166,161.90 and 39,674.87 is: 59,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,751.62 : 166,161.90 = 39,674.87 : x
  2. Step 2: Convert to fraction form
    110,751.62/166,161.90 = 39,674.87/x
  3. Step 3: Cross multiply
    110,751.62x = 166,161.90 × 39,674.87
  4. Step 4: Simplify right side
    110,751.62x = 6,592,451,880.64
  5. Step 5: Solve for x
    x = 6,592,451,880.64/110,751.62
  6. Step 6: Final answer
    x = 59,524.65

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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.