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Finding the Fourth Proportional to 189,100.98, 260,958.83 and 104,218.02

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Solution

The fourth proportional to 189,100.98, 260,958.83 and 104,218.02 is: 143,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,100.98 : 260,958.83 = 104,218.02 : x
  2. Step 2: Convert to fraction form
    189,100.98/260,958.83 = 104,218.02/x
  3. Step 3: Cross multiply
    189,100.98x = 260,958.83 × 104,218.02
  4. Step 4: Simplify right side
    189,100.98x = 27,196,612,043.03
  5. Step 5: Solve for x
    x = 27,196,612,043.03/189,100.98
  6. Step 6: Final answer
    x = 143,820.58

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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.