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Finding the Fourth Proportional to 193,022.40, 289,015.20 and 193,022.40

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Solution

The fourth proportional to 193,022.40, 289,015.20 and 193,022.40 is: 289,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,022.40 : 289,015.20 = 193,022.40 : x
  2. Step 2: Convert to fraction form
    193,022.40/289,015.20 = 193,022.40/x
  3. Step 3: Cross multiply
    193,022.40x = 289,015.20 × 193,022.40
  4. Step 4: Simplify right side
    193,022.40x = 55,786,407,540.48
  5. Step 5: Solve for x
    x = 55,786,407,540.48/193,022.40
  6. Step 6: Final answer
    x = 289,015.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.