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Finding the Fourth Proportional to 201,126.89, 277,556.87 and 110,484.70

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Solution

The fourth proportional to 201,126.89, 277,556.87 and 110,484.70 is: 152,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,126.89 : 277,556.87 = 110,484.70 : x
  2. Step 2: Convert to fraction form
    201,126.89/277,556.87 = 110,484.70/x
  3. Step 3: Cross multiply
    201,126.89x = 277,556.87 × 110,484.70
  4. Step 4: Simplify right side
    201,126.89x = 30,665,787,514.89
  5. Step 5: Solve for x
    x = 30,665,787,514.89/201,126.89
  6. Step 6: Final answer
    x = 152,469.85

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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.