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Finding the Fourth Proportional to 200,791.78, 277,100.33 and 110,151.56

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Solution

The fourth proportional to 200,791.78, 277,100.33 and 110,151.56 is: 152,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,791.78 : 277,100.33 = 110,151.56 : x
  2. Step 2: Convert to fraction form
    200,791.78/277,100.33 = 110,151.56/x
  3. Step 3: Cross multiply
    200,791.78x = 277,100.33 × 110,151.56
  4. Step 4: Simplify right side
    200,791.78x = 30,523,033,768.01
  5. Step 5: Solve for x
    x = 30,523,033,768.01/200,791.78
  6. Step 6: Final answer
    x = 152,013.37

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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.