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Finding the Fourth Proportional to 189,067.21, 260,912.27 and 104,184.27

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Solution

The fourth proportional to 189,067.21, 260,912.27 and 104,184.27 is: 143,774.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,067.21 : 260,912.27 = 104,184.27 : x
  2. Step 2: Convert to fraction form
    189,067.21/260,912.27 = 104,184.27/x
  3. Step 3: Cross multiply
    189,067.21x = 260,912.27 × 104,184.27
  4. Step 4: Simplify right side
    189,067.21x = 27,182,954,644.45
  5. Step 5: Solve for x
    x = 27,182,954,644.45/189,067.21
  6. Step 6: Final answer
    x = 143,774.03

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1.5x scale

Why These Related Problems?

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