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Finding the Fourth Proportional to 218,197.89, 327,259.71 and 60,389.37

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Solution

The fourth proportional to 218,197.89, 327,259.71 and 60,389.37 is: 90,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,197.89 : 327,259.71 = 60,389.37 : x
  2. Step 2: Convert to fraction form
    218,197.89/327,259.71 = 60,389.37/x
  3. Step 3: Cross multiply
    218,197.89x = 327,259.71 × 60,389.37
  4. Step 4: Simplify right side
    218,197.89x = 19,763,007,713.28
  5. Step 5: Solve for x
    x = 19,763,007,713.28/218,197.89
  6. Step 6: Final answer
    x = 90,573.78

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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.