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Finding the Fourth Proportional to 171,399.31, 236,502.93 and 107,692

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Solution

The fourth proportional to 171,399.31, 236,502.93 and 107,692 is: 148,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,399.31 : 236,502.93 = 107,692 : x
  2. Step 2: Convert to fraction form
    171,399.31/236,502.93 = 107,692/x
  3. Step 3: Cross multiply
    171,399.31x = 236,502.93 × 107,692
  4. Step 4: Simplify right side
    171,399.31x = 25,469,473,537.56
  5. Step 5: Solve for x
    x = 25,469,473,537.56/171,399.31
  6. Step 6: Final answer
    x = 148,597.29

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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.