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Finding the Fourth Proportional to 168,672.66, 252,896.40 and 68,806.01

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Solution

The fourth proportional to 168,672.66, 252,896.40 and 68,806.01 is: 103,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,672.66 : 252,896.40 = 68,806.01 : x
  2. Step 2: Convert to fraction form
    168,672.66/252,896.40 = 68,806.01/x
  3. Step 3: Cross multiply
    168,672.66x = 252,896.40 × 68,806.01
  4. Step 4: Simplify right side
    168,672.66x = 17,400,790,962.88
  5. Step 5: Solve for x
    x = 17,400,790,962.88/168,672.66
  6. Step 6: Final answer
    x = 103,163.08

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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.