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Finding the Fourth Proportional to 192,028.40, 287,826.60 and 92,236.40

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Solution

The fourth proportional to 192,028.40, 287,826.60 and 92,236.40 is: 138,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,028.40 : 287,826.60 = 92,236.40 : x
  2. Step 2: Convert to fraction form
    192,028.40/287,826.60 = 92,236.40/x
  3. Step 3: Cross multiply
    192,028.40x = 287,826.60 × 92,236.40
  4. Step 4: Simplify right side
    192,028.40x = 26,548,089,408.24
  5. Step 5: Solve for x
    x = 26,548,089,408.24/192,028.40
  6. Step 6: Final answer
    x = 138,250.85

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1.5x scale

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.