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Finding the Fourth Proportional to 263,887.26, 395,896.41 and 103,973.82

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Solution

The fourth proportional to 263,887.26, 395,896.41 and 103,973.82 is: 155,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,887.26 : 395,896.41 = 103,973.82 : x
  2. Step 2: Convert to fraction form
    263,887.26/395,896.41 = 103,973.82/x
  3. Step 3: Cross multiply
    263,887.26x = 395,896.41 × 103,973.82
  4. Step 4: Simplify right side
    263,887.26x = 41,162,862,071.99
  5. Step 5: Solve for x
    x = 41,162,862,071.99/263,887.26
  6. Step 6: Final answer
    x = 155,986.55

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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.