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Finding the Fourth Proportional to 200,196.57, 276,243.93 and 119,606.97

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Solution

The fourth proportional to 200,196.57, 276,243.93 and 119,606.97 is: 165,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,196.57 : 276,243.93 = 119,606.97 : x
  2. Step 2: Convert to fraction form
    200,196.57/276,243.93 = 119,606.97/x
  3. Step 3: Cross multiply
    200,196.57x = 276,243.93 × 119,606.97
  4. Step 4: Simplify right side
    200,196.57x = 33,040,699,448.19
  5. Step 5: Solve for x
    x = 33,040,699,448.19/200,196.57
  6. Step 6: Final answer
    x = 165,041.29

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1.5x scale

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.