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Finding the Fourth Proportional to 199,600.80, 299,401.20 and 104,794.35

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Solution

The fourth proportional to 199,600.80, 299,401.20 and 104,794.35 is: 157,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,600.80 : 299,401.20 = 104,794.35 : x
  2. Step 2: Convert to fraction form
    199,600.80/299,401.20 = 104,794.35/x
  3. Step 3: Cross multiply
    199,600.80x = 299,401.20 × 104,794.35
  4. Step 4: Simplify right side
    199,600.80x = 31,375,554,143.22
  5. Step 5: Solve for x
    x = 31,375,554,143.22/199,600.80
  6. Step 6: Final answer
    x = 157,191.53

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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.