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Finding the Fourth Proportional to 122,852.99, 184,194 and 54,427.39

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Solution

The fourth proportional to 122,852.99, 184,194 and 54,427.39 is: 81,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,852.99 : 184,194 = 54,427.39 : x
  2. Step 2: Convert to fraction form
    122,852.99/184,194 = 54,427.39/x
  3. Step 3: Cross multiply
    122,852.99x = 184,194 × 54,427.39
  4. Step 4: Simplify right side
    122,852.99x = 10,025,198,213.18
  5. Step 5: Solve for x
    x = 10,025,198,213.18/122,852.99
  6. Step 6: Final answer
    x = 81,603.21

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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.