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Finding the Fourth Proportional to 171,725.96, 236,978.28 and 95,232.72

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Solution

The fourth proportional to 171,725.96, 236,978.28 and 95,232.72 is: 131,419.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,725.96 : 236,978.28 = 95,232.72 : x
  2. Step 2: Convert to fraction form
    171,725.96/236,978.28 = 95,232.72/x
  3. Step 3: Cross multiply
    171,725.96x = 236,978.28 × 95,232.72
  4. Step 4: Simplify right side
    171,725.96x = 22,568,086,185.32
  5. Step 5: Solve for x
    x = 22,568,086,185.32/171,725.96
  6. Step 6: Final answer
    x = 131,419.19

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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.