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Finding the Fourth Proportional to 167,100.75, 250,288.07 and 102,863.09

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Solution

The fourth proportional to 167,100.75, 250,288.07 and 102,863.09 is: 154,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,100.75 : 250,288.07 = 102,863.09 : x
  2. Step 2: Convert to fraction form
    167,100.75/250,288.07 = 102,863.09/x
  3. Step 3: Cross multiply
    167,100.75x = 250,288.07 × 102,863.09
  4. Step 4: Simplify right side
    167,100.75x = 25,745,404,381.74
  5. Step 5: Solve for x
    x = 25,745,404,381.74/167,100.75
  6. Step 6: Final answer
    x = 154,071.15

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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.