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Finding the Fourth Proportional to 239,236.87, 358,843.37 and 89,466.15

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Solution

The fourth proportional to 239,236.87, 358,843.37 and 89,466.15 is: 134,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,236.87 : 358,843.37 = 89,466.15 : x
  2. Step 2: Convert to fraction form
    239,236.87/358,843.37 = 89,466.15/x
  3. Step 3: Cross multiply
    239,236.87x = 358,843.37 × 89,466.15
  4. Step 4: Simplify right side
    239,236.87x = 32,104,334,766.93
  5. Step 5: Solve for x
    x = 32,104,334,766.93/239,236.87
  6. Step 6: Final answer
    x = 134,194.76

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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.