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Finding the Fourth Proportional to 200,504.70, 276,688.08 and 119,884.59

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Solution

The fourth proportional to 200,504.70, 276,688.08 and 119,884.59 is: 165,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,504.70 : 276,688.08 = 119,884.59 : x
  2. Step 2: Convert to fraction form
    200,504.70/276,688.08 = 119,884.59/x
  3. Step 3: Cross multiply
    200,504.70x = 276,688.08 × 119,884.59
  4. Step 4: Simplify right side
    200,504.70x = 33,170,637,028.69
  5. Step 5: Solve for x
    x = 33,170,637,028.69/200,504.70
  6. Step 6: Final answer
    x = 165,435.71

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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.