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Finding the Fourth Proportional to 199,170.06, 298,801.78 and 79,233.81

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Solution

The fourth proportional to 199,170.06, 298,801.78 and 79,233.81 is: 118,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,170.06 : 298,801.78 = 79,233.81 : x
  2. Step 2: Convert to fraction form
    199,170.06/298,801.78 = 79,233.81/x
  3. Step 3: Cross multiply
    199,170.06x = 298,801.78 × 79,233.81
  4. Step 4: Simplify right side
    199,170.06x = 23,675,203,464.18
  5. Step 5: Solve for x
    x = 23,675,203,464.18/199,170.06
  6. Step 6: Final answer
    x = 118,869.29

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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.