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Finding the Fourth Proportional to 218,641.20, 327,970.44 and 60,883.44

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Solution

The fourth proportional to 218,641.20, 327,970.44 and 60,883.44 is: 91,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,641.20 : 327,970.44 = 60,883.44 : x
  2. Step 2: Convert to fraction form
    218,641.20/327,970.44 = 60,883.44/x
  3. Step 3: Cross multiply
    218,641.20x = 327,970.44 × 60,883.44
  4. Step 4: Simplify right side
    218,641.20x = 19,967,968,605.51
  5. Step 5: Solve for x
    x = 19,967,968,605.51/218,641.20
  6. Step 6: Final answer
    x = 91,327.57

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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.