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Finding the Fourth Proportional to 66,794.99, 100,209.90 and 29,362.43

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Solution

The fourth proportional to 66,794.99, 100,209.90 and 29,362.43 is: 44,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,794.99 : 100,209.90 = 29,362.43 : x
  2. Step 2: Convert to fraction form
    66,794.99/100,209.90 = 29,362.43/x
  3. Step 3: Cross multiply
    66,794.99x = 100,209.90 × 29,362.43
  4. Step 4: Simplify right side
    66,794.99x = 2,942,405,673.01
  5. Step 5: Solve for x
    x = 2,942,405,673.01/66,794.99
  6. Step 6: Final answer
    x = 44,051.30

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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.