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Finding the Fourth Proportional to 54,396,964.80, 81,524,588.40 and 22,022,366.40

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Solution

The fourth proportional to 54,396,964.80, 81,524,588.40 and 22,022,366.40 is: 33,004,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,396,964.80 : 81,524,588.40 = 22,022,366.40 : x
  2. Step 2: Convert to fraction form
    54,396,964.80/81,524,588.40 = 22,022,366.40/x
  3. Step 3: Cross multiply
    54,396,964.80x = 81,524,588.40 × 22,022,366.40
  4. Step 4: Simplify right side
    54,396,964.80x = 1,795,364,356,353,989.75
  5. Step 5: Solve for x
    x = 1,795,364,356,353,989.75/54,396,964.80
  6. Step 6: Final answer
    x = 33,004,862.73

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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.