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Finding the Fourth Proportional to 303,191.39, 454,822.01 and 100,805.49

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Solution

The fourth proportional to 303,191.39, 454,822.01 and 100,805.49 is: 151,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,191.39 : 454,822.01 = 100,805.49 : x
  2. Step 2: Convert to fraction form
    303,191.39/454,822.01 = 100,805.49/x
  3. Step 3: Cross multiply
    303,191.39x = 454,822.01 × 100,805.49
  4. Step 4: Simplify right side
    303,191.39x = 45,848,555,076.81
  5. Step 5: Solve for x
    x = 45,848,555,076.81/303,191.39
  6. Step 6: Final answer
    x = 151,219.85

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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.