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Finding the Fourth Proportional to 277,383.36, 415,914.48 and 108,706.56

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Solution

The fourth proportional to 277,383.36, 415,914.48 and 108,706.56 is: 162,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,383.36 : 415,914.48 = 108,706.56 : x
  2. Step 2: Convert to fraction form
    277,383.36/415,914.48 = 108,706.56/x
  3. Step 3: Cross multiply
    277,383.36x = 415,914.48 × 108,706.56
  4. Step 4: Simplify right side
    277,383.36x = 45,212,632,374.99
  5. Step 5: Solve for x
    x = 45,212,632,374.99/277,383.36
  6. Step 6: Final answer
    x = 162,996.92

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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.