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Finding the Fourth Proportional to 168,858.87, 253,288.25 and 63,653.24

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Solution

The fourth proportional to 168,858.87, 253,288.25 and 63,653.24 is: 95,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,858.87 : 253,288.25 = 63,653.24 : x
  2. Step 2: Convert to fraction form
    168,858.87/253,288.25 = 63,653.24/x
  3. Step 3: Cross multiply
    168,858.87x = 253,288.25 × 63,653.24
  4. Step 4: Simplify right side
    168,858.87x = 16,122,616,499.99
  5. Step 5: Solve for x
    x = 16,122,616,499.99/168,858.87
  6. Step 6: Final answer
    x = 95,479.83

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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.