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Finding the Fourth Proportional to 237,409.83, 356,198.99 and 79,638.03

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Solution

The fourth proportional to 237,409.83, 356,198.99 and 79,638.03 is: 119,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,409.83 : 356,198.99 = 79,638.03 : x
  2. Step 2: Convert to fraction form
    237,409.83/356,198.99 = 79,638.03/x
  3. Step 3: Cross multiply
    237,409.83x = 356,198.99 × 79,638.03
  4. Step 4: Simplify right side
    237,409.83x = 28,366,985,453.40
  5. Step 5: Solve for x
    x = 28,366,985,453.40/237,409.83
  6. Step 6: Final answer
    x = 119,485.30

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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.