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Finding the Fourth Proportional to 115,888.14, 173,721.24 and 36,951.21

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Solution

The fourth proportional to 115,888.14, 173,721.24 and 36,951.21 is: 55,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,888.14 : 173,721.24 = 36,951.21 : x
  2. Step 2: Convert to fraction form
    115,888.14/173,721.24 = 36,951.21/x
  3. Step 3: Cross multiply
    115,888.14x = 173,721.24 × 36,951.21
  4. Step 4: Simplify right side
    115,888.14x = 6,419,210,020.70
  5. Step 5: Solve for x
    x = 6,419,210,020.70/115,888.14
  6. Step 6: Final answer
    x = 55,391.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.