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Finding the Fourth Proportional to 198,401.93, 273,797.93 and 107,757.97

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Solution

The fourth proportional to 198,401.93, 273,797.93 and 107,757.97 is: 148,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,401.93 : 273,797.93 = 107,757.97 : x
  2. Step 2: Convert to fraction form
    198,401.93/273,797.93 = 107,757.97/x
  3. Step 3: Cross multiply
    198,401.93x = 273,797.93 × 107,757.97
  4. Step 4: Simplify right side
    198,401.93x = 29,503,908,711.90
  5. Step 5: Solve for x
    x = 29,503,908,711.90/198,401.93
  6. Step 6: Final answer
    x = 148,707.77

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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.