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Finding the Fourth Proportional to 331,090.60, 496,640.40 and 94,433.26

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Solution

The fourth proportional to 331,090.60, 496,640.40 and 94,433.26 is: 141,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,090.60 : 496,640.40 = 94,433.26 : x
  2. Step 2: Convert to fraction form
    331,090.60/496,640.40 = 94,433.26/x
  3. Step 3: Cross multiply
    331,090.60x = 496,640.40 × 94,433.26
  4. Step 4: Simplify right side
    331,090.60x = 46,899,372,019.70
  5. Step 5: Solve for x
    x = 46,899,372,019.70/331,090.60
  6. Step 6: Final answer
    x = 141,651.17

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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.