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Finding the Fourth Proportional to 218,480.49, 327,738.53 and 60,708.96

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Solution

The fourth proportional to 218,480.49, 327,738.53 and 60,708.96 is: 91,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,480.49 : 327,738.53 = 60,708.96 : x
  2. Step 2: Convert to fraction form
    218,480.49/327,738.53 = 60,708.96/x
  3. Step 3: Cross multiply
    218,480.49x = 327,738.53 × 60,708.96
  4. Step 4: Simplify right side
    218,480.49x = 19,896,665,308.23
  5. Step 5: Solve for x
    x = 19,896,665,308.23/218,480.49
  6. Step 6: Final answer
    x = 91,068.38

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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.