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Finding the Fourth Proportional to 194,791.60, 292,216.60 and 82,471.60

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Solution

The fourth proportional to 194,791.60, 292,216.60 and 82,471.60 is: 123,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,791.60 : 292,216.60 = 82,471.60 : x
  2. Step 2: Convert to fraction form
    194,791.60/292,216.60 = 82,471.60/x
  3. Step 3: Cross multiply
    194,791.60x = 292,216.60 × 82,471.60
  4. Step 4: Simplify right side
    194,791.60x = 24,099,570,548.56
  5. Step 5: Solve for x
    x = 24,099,570,548.56/194,791.60
  6. Step 6: Final answer
    x = 123,719.76

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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.