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Finding the Fourth Proportional to 200,542.59, 276,722.43 and 119,940.71

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Solution

The fourth proportional to 200,542.59, 276,722.43 and 119,940.71 is: 165,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,542.59 : 276,722.43 = 119,940.71 : x
  2. Step 2: Convert to fraction form
    200,542.59/276,722.43 = 119,940.71/x
  3. Step 3: Cross multiply
    200,542.59x = 276,722.43 × 119,940.71
  4. Step 4: Simplify right side
    200,542.59x = 33,190,283,343.51
  5. Step 5: Solve for x
    x = 33,190,283,343.51/200,542.59
  6. Step 6: Final answer
    x = 165,502.42

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