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Finding the Fourth Proportional to 331,133.60, 496,719.60 and 94,493.60

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Solution

The fourth proportional to 331,133.60, 496,719.60 and 94,493.60 is: 141,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,133.60 : 496,719.60 = 94,493.60 : x
  2. Step 2: Convert to fraction form
    331,133.60/496,719.60 = 94,493.60/x
  3. Step 3: Cross multiply
    331,133.60x = 496,719.60 × 94,493.60
  4. Step 4: Simplify right side
    331,133.60x = 46,936,823,194.56
  5. Step 5: Solve for x
    x = 46,936,823,194.56/331,133.60
  6. Step 6: Final answer
    x = 141,745.88

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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.