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Finding the Fourth Proportional to 193,846.80, 290,856.60 and 88,611.60

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Solution

The fourth proportional to 193,846.80, 290,856.60 and 88,611.60 is: 132,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,846.80 : 290,856.60 = 88,611.60 : x
  2. Step 2: Convert to fraction form
    193,846.80/290,856.60 = 88,611.60/x
  3. Step 3: Cross multiply
    193,846.80x = 290,856.60 × 88,611.60
  4. Step 4: Simplify right side
    193,846.80x = 25,773,268,696.56
  5. Step 5: Solve for x
    x = 25,773,268,696.56/193,846.80
  6. Step 6: Final answer
    x = 132,956.90

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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.