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Finding the Fourth Proportional to 200,656.78, 276,906.28 and 110,010.80

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Solution

The fourth proportional to 200,656.78, 276,906.28 and 110,010.80 is: 151,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,656.78 : 276,906.28 = 110,010.80 : x
  2. Step 2: Convert to fraction form
    200,656.78/276,906.28 = 110,010.80/x
  3. Step 3: Cross multiply
    200,656.78x = 276,906.28 × 110,010.80
  4. Step 4: Simplify right side
    200,656.78x = 30,462,681,387.82
  5. Step 5: Solve for x
    x = 30,462,681,387.82/200,656.78
  6. Step 6: Final answer
    x = 151,814.86

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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.