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Finding the Fourth Proportional to 225,864.11, 311,836.02 and 201,622.59

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Solution

The fourth proportional to 225,864.11, 311,836.02 and 201,622.59 is: 278,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,864.11 : 311,836.02 = 201,622.59 : x
  2. Step 2: Convert to fraction form
    225,864.11/311,836.02 = 201,622.59/x
  3. Step 3: Cross multiply
    225,864.11x = 311,836.02 × 201,622.59
  4. Step 4: Simplify right side
    225,864.11x = 62,873,186,007.69
  5. Step 5: Solve for x
    x = 62,873,186,007.69/225,864.11
  6. Step 6: Final answer
    x = 278,367.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.