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Finding the Fourth Proportional to 66,940.20, 100,346.50 and 22,544.10

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Solution

The fourth proportional to 66,940.20, 100,346.50 and 22,544.10 is: 33,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,940.20 : 100,346.50 = 22,544.10 : x
  2. Step 2: Convert to fraction form
    66,940.20/100,346.50 = 22,544.10/x
  3. Step 3: Cross multiply
    66,940.20x = 100,346.50 × 22,544.10
  4. Step 4: Simplify right side
    66,940.20x = 2,262,221,530.65
  5. Step 5: Solve for x
    x = 2,262,221,530.65/66,940.20
  6. Step 6: Final answer
    x = 33,794.66

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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.