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Finding the Fourth Proportional to 200,663.28, 276,918.44 and 110,027.52

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Solution

The fourth proportional to 200,663.28, 276,918.44 and 110,027.52 is: 151,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,663.28 : 276,918.44 = 110,027.52 : x
  2. Step 2: Convert to fraction form
    200,663.28/276,918.44 = 110,027.52/x
  3. Step 3: Cross multiply
    200,663.28x = 276,918.44 × 110,027.52
  4. Step 4: Simplify right side
    200,663.28x = 30,468,649,195.47
  5. Step 5: Solve for x
    x = 30,468,649,195.47/200,663.28
  6. Step 6: Final answer
    x = 151,839.68

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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.