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Finding the Fourth Proportional to 171,726.96, 236,979.66 and 95,233.72

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Solution

The fourth proportional to 171,726.96, 236,979.66 and 95,233.72 is: 131,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,726.96 : 236,979.66 = 95,233.72 : x
  2. Step 2: Convert to fraction form
    171,726.96/236,979.66 = 95,233.72/x
  3. Step 3: Cross multiply
    171,726.96x = 236,979.66 × 95,233.72
  4. Step 4: Simplify right side
    171,726.96x = 22,568,454,586.14
  5. Step 5: Solve for x
    x = 22,568,454,586.14/171,726.96
  6. Step 6: Final answer
    x = 131,420.57

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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.