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Finding the Fourth Proportional to 192,687.31, 265,908.72 and 107,804.44

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Solution

The fourth proportional to 192,687.31, 265,908.72 and 107,804.44 is: 148,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,687.31 : 265,908.72 = 107,804.44 : x
  2. Step 2: Convert to fraction form
    192,687.31/265,908.72 = 107,804.44/x
  3. Step 3: Cross multiply
    192,687.31x = 265,908.72 × 107,804.44
  4. Step 4: Simplify right side
    192,687.31x = 28,666,140,650.72
  5. Step 5: Solve for x
    x = 28,666,140,650.72/192,687.31
  6. Step 6: Final answer
    x = 148,770.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.