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Finding the Fourth Proportional to 171,713.16, 236,977.92 and 95,239.80

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Solution

The fourth proportional to 171,713.16, 236,977.92 and 95,239.80 is: 131,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,713.16 : 236,977.92 = 95,239.80 : x
  2. Step 2: Convert to fraction form
    171,713.16/236,977.92 = 95,239.80/x
  3. Step 3: Cross multiply
    171,713.16x = 236,977.92 × 95,239.80
  4. Step 4: Simplify right side
    171,713.16x = 22,569,729,705.22
  5. Step 5: Solve for x
    x = 22,569,729,705.22/171,713.16
  6. Step 6: Final answer
    x = 131,438.56

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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.