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Finding the Fourth Proportional to 149,191.99, 223,538.87 and 104,739.16

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Solution

The fourth proportional to 149,191.99, 223,538.87 and 104,739.16 is: 156,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,191.99 : 223,538.87 = 104,739.16 : x
  2. Step 2: Convert to fraction form
    149,191.99/223,538.87 = 104,739.16/x
  3. Step 3: Cross multiply
    149,191.99x = 223,538.87 × 104,739.16
  4. Step 4: Simplify right side
    149,191.99x = 23,413,273,471.15
  5. Step 5: Solve for x
    x = 23,413,273,471.15/149,191.99
  6. Step 6: Final answer
    x = 156,933.85

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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.