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Finding the Fourth Proportional to 277,107.33, 415,660.99 and 66,745.27

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Solution

The fourth proportional to 277,107.33, 415,660.99 and 66,745.27 is: 100,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,107.33 : 415,660.99 = 66,745.27 : x
  2. Step 2: Convert to fraction form
    277,107.33/415,660.99 = 66,745.27/x
  3. Step 3: Cross multiply
    277,107.33x = 415,660.99 × 66,745.27
  4. Step 4: Simplify right side
    277,107.33x = 27,743,403,333.51
  5. Step 5: Solve for x
    x = 27,743,403,333.51/277,107.33
  6. Step 6: Final answer
    x = 100,117.90

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1.5x scale

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.