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Finding the Fourth Proportional to 189,105.98, 260,965.73 and 104,223.02

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Solution

The fourth proportional to 189,105.98, 260,965.73 and 104,223.02 is: 143,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,105.98 : 260,965.73 = 104,223.02 : x
  2. Step 2: Convert to fraction form
    189,105.98/260,965.73 = 104,223.02/x
  3. Step 3: Cross multiply
    189,105.98x = 260,965.73 × 104,223.02
  4. Step 4: Simplify right side
    189,105.98x = 27,198,635,975.99
  5. Step 5: Solve for x
    x = 27,198,635,975.99/189,105.98
  6. Step 6: Final answer
    x = 143,827.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.