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Finding the Fourth Proportional to 331,135.60, 496,722.60 and 94,495.60

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Solution

The fourth proportional to 331,135.60, 496,722.60 and 94,495.60 is: 141,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,135.60 : 496,722.60 = 94,495.60 : x
  2. Step 2: Convert to fraction form
    331,135.60/496,722.60 = 94,495.60/x
  3. Step 3: Cross multiply
    331,135.60x = 496,722.60 × 94,495.60
  4. Step 4: Simplify right side
    331,135.60x = 46,938,100,120.56
  5. Step 5: Solve for x
    x = 46,938,100,120.56/331,135.60
  6. Step 6: Final answer
    x = 141,748.88

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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.