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Finding the Fourth Proportional to 259,887.63, 389,968.05 and 184,472.85

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Solution

The fourth proportional to 259,887.63, 389,968.05 and 184,472.85 is: 276,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,887.63 : 389,968.05 = 184,472.85 : x
  2. Step 2: Convert to fraction form
    259,887.63/389,968.05 = 184,472.85/x
  3. Step 3: Cross multiply
    259,887.63x = 389,968.05 × 184,472.85
  4. Step 4: Simplify right side
    259,887.63x = 71,938,517,592.44
  5. Step 5: Solve for x
    x = 71,938,517,592.44/259,887.63
  6. Step 6: Final answer
    x = 276,806.24

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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.