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Finding the Fourth Proportional to 200,508.13, 300,672.28 and 119,493.41

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Solution

The fourth proportional to 200,508.13, 300,672.28 and 119,493.41 is: 179,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,508.13 : 300,672.28 = 119,493.41 : x
  2. Step 2: Convert to fraction form
    200,508.13/300,672.28 = 119,493.41/x
  3. Step 3: Cross multiply
    200,508.13x = 300,672.28 × 119,493.41
  4. Step 4: Simplify right side
    200,508.13x = 35,928,356,591.01
  5. Step 5: Solve for x
    x = 35,928,356,591.01/200,508.13
  6. Step 6: Final answer
    x = 179,186.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.