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Finding the Fourth Proportional to 200,528.56, 276,721.24 and 119,908.52

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Solution

The fourth proportional to 200,528.56, 276,721.24 and 119,908.52 is: 165,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,528.56 : 276,721.24 = 119,908.52 : x
  2. Step 2: Convert to fraction form
    200,528.56/276,721.24 = 119,908.52/x
  3. Step 3: Cross multiply
    200,528.56x = 276,721.24 × 119,908.52
  4. Step 4: Simplify right side
    200,528.56x = 33,181,234,340.96
  5. Step 5: Solve for x
    x = 33,181,234,340.96/200,528.56
  6. Step 6: Final answer
    x = 165,468.87

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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.