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Finding the Fourth Proportional to 237,765.06, 356,687.73 and 79,956

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Solution

The fourth proportional to 237,765.06, 356,687.73 and 79,956 is: 119,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,765.06 : 356,687.73 = 79,956 : x
  2. Step 2: Convert to fraction form
    237,765.06/356,687.73 = 79,956/x
  3. Step 3: Cross multiply
    237,765.06x = 356,687.73 × 79,956
  4. Step 4: Simplify right side
    237,765.06x = 28,519,324,139.88
  5. Step 5: Solve for x
    x = 28,519,324,139.88/237,765.06
  6. Step 6: Final answer
    x = 119,947.50

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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.