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Finding the Fourth Proportional to 263,167.84, 394,776.66 and 73,628.26

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Solution

The fourth proportional to 263,167.84, 394,776.66 and 73,628.26 is: 110,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,167.84 : 394,776.66 = 73,628.26 : x
  2. Step 2: Convert to fraction form
    263,167.84/394,776.66 = 73,628.26/x
  3. Step 3: Cross multiply
    263,167.84x = 394,776.66 × 73,628.26
  4. Step 4: Simplify right side
    263,167.84x = 29,066,718,564.41
  5. Step 5: Solve for x
    x = 29,066,718,564.41/263,167.84
  6. Step 6: Final answer
    x = 110,449.36

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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.