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Finding the Fourth Proportional to 218,274.36, 327,379.14 and 60,486.36

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Solution

The fourth proportional to 218,274.36, 327,379.14 and 60,486.36 is: 90,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,274.36 : 327,379.14 = 60,486.36 : x
  2. Step 2: Convert to fraction form
    218,274.36/327,379.14 = 60,486.36/x
  3. Step 3: Cross multiply
    218,274.36x = 327,379.14 × 60,486.36
  4. Step 4: Simplify right side
    218,274.36x = 19,801,972,518.53
  5. Step 5: Solve for x
    x = 19,801,972,518.53/218,274.36
  6. Step 6: Final answer
    x = 90,720.56

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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.