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Finding the Fourth Proportional to 218,382.82, 327,574.12 and 60,611.23

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Solution

The fourth proportional to 218,382.82, 327,574.12 and 60,611.23 is: 90,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,382.82 : 327,574.12 = 60,611.23 : x
  2. Step 2: Convert to fraction form
    218,382.82/327,574.12 = 60,611.23/x
  3. Step 3: Cross multiply
    218,382.82x = 327,574.12 × 60,611.23
  4. Step 4: Simplify right side
    218,382.82x = 19,854,670,329.37
  5. Step 5: Solve for x
    x = 19,854,670,329.37/218,382.82
  6. Step 6: Final answer
    x = 90,916.81

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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.