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Finding the Fourth Proportional to 218,361.09, 327,541.79 and 60,589.70

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Solution

The fourth proportional to 218,361.09, 327,541.79 and 60,589.70 is: 90,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,361.09 : 327,541.79 = 60,589.70 : x
  2. Step 2: Convert to fraction form
    218,361.09/327,541.79 = 60,589.70/x
  3. Step 3: Cross multiply
    218,361.09x = 327,541.79 × 60,589.70
  4. Step 4: Simplify right side
    218,361.09x = 19,845,658,535.61
  5. Step 5: Solve for x
    x = 19,845,658,535.61/218,361.09
  6. Step 6: Final answer
    x = 90,884.59

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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.