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Finding the Fourth Proportional to 199,353.03, 298,955.03 and 80,984.49

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Solution

The fourth proportional to 199,353.03, 298,955.03 and 80,984.49 is: 121,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,353.03 : 298,955.03 = 80,984.49 : x
  2. Step 2: Convert to fraction form
    199,353.03/298,955.03 = 80,984.49/x
  3. Step 3: Cross multiply
    199,353.03x = 298,955.03 × 80,984.49
  4. Step 4: Simplify right side
    199,353.03x = 24,210,720,232.56
  5. Step 5: Solve for x
    x = 24,210,720,232.56/199,353.03
  6. Step 6: Final answer
    x = 121,446.46

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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.