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Finding the Fourth Proportional to 259,651.00, 389,437.52 and 82,134.94

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Solution

The fourth proportional to 259,651.00, 389,437.52 and 82,134.94 is: 123,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,651.00 : 389,437.52 = 82,134.94 : x
  2. Step 2: Convert to fraction form
    259,651.00/389,437.52 = 82,134.94/x
  3. Step 3: Cross multiply
    259,651.00x = 389,437.52 × 82,134.94
  4. Step 4: Simplify right side
    259,651.00x = 31,986,425,954.68
  5. Step 5: Solve for x
    x = 31,986,425,954.68/259,651.00
  6. Step 6: Final answer
    x = 123,190.08

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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.