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Finding the Fourth Proportional to 168,827.29, 253,147.41 and 69,057.53

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Solution

The fourth proportional to 168,827.29, 253,147.41 and 69,057.53 is: 103,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,827.29 : 253,147.41 = 69,057.53 : x
  2. Step 2: Convert to fraction form
    168,827.29/253,147.41 = 69,057.53/x
  3. Step 3: Cross multiply
    168,827.29x = 253,147.41 × 69,057.53
  4. Step 4: Simplify right side
    168,827.29x = 17,481,734,544.06
  5. Step 5: Solve for x
    x = 17,481,734,544.06/168,827.29
  6. Step 6: Final answer
    x = 103,548.04

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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.