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Finding the Fourth Proportional to 200,481.26, 276,664.12 and 111,057.26

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Solution

The fourth proportional to 200,481.26, 276,664.12 and 111,057.26 is: 153,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,481.26 : 276,664.12 = 111,057.26 : x
  2. Step 2: Convert to fraction form
    200,481.26/276,664.12 = 111,057.26/x
  3. Step 3: Cross multiply
    200,481.26x = 276,664.12 × 111,057.26
  4. Step 4: Simplify right side
    200,481.26x = 30,725,559,107.51
  5. Step 5: Solve for x
    x = 30,725,559,107.51/200,481.26
  6. Step 6: Final answer
    x = 153,259.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.