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Finding the Fourth Proportional to 184,721.88, 277,024.50 and 79,512.60

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Solution

The fourth proportional to 184,721.88, 277,024.50 and 79,512.60 is: 119,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,721.88 : 277,024.50 = 79,512.60 : x
  2. Step 2: Convert to fraction form
    184,721.88/277,024.50 = 79,512.60/x
  3. Step 3: Cross multiply
    184,721.88x = 277,024.50 × 79,512.60
  4. Step 4: Simplify right side
    184,721.88x = 22,026,938,258.70
  5. Step 5: Solve for x
    x = 22,026,938,258.70/184,721.88
  6. Step 6: Final answer
    x = 119,243.80

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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.