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Finding the Fourth Proportional to 200,520.26, 276,691.65 and 119,918.37

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Solution

The fourth proportional to 200,520.26, 276,691.65 and 119,918.37 is: 165,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,520.26 : 276,691.65 = 119,918.37 : x
  2. Step 2: Convert to fraction form
    200,520.26/276,691.65 = 119,918.37/x
  3. Step 3: Cross multiply
    200,520.26x = 276,691.65 × 119,918.37
  4. Step 4: Simplify right side
    200,520.26x = 33,180,412,248.51
  5. Step 5: Solve for x
    x = 33,180,412,248.51/200,520.26
  6. Step 6: Final answer
    x = 165,471.62

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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.