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Finding the Fourth Proportional to 277,369.90, 415,894.30 and 108,692.73

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Solution

The fourth proportional to 277,369.90, 415,894.30 and 108,692.73 is: 162,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,369.90 : 415,894.30 = 108,692.73 : x
  2. Step 2: Convert to fraction form
    277,369.90/415,894.30 = 108,692.73/x
  3. Step 3: Cross multiply
    277,369.90x = 415,894.30 × 108,692.73
  4. Step 4: Simplify right side
    277,369.90x = 45,204,686,586.71
  5. Step 5: Solve for x
    x = 45,204,686,586.71/277,369.90
  6. Step 6: Final answer
    x = 162,976.18

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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.