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Finding the Fourth Proportional to 218,593.03, 327,901.25 and 68,844.98

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Solution

The fourth proportional to 218,593.03, 327,901.25 and 68,844.98 is: 103,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,593.03 : 327,901.25 = 68,844.98 : x
  2. Step 2: Convert to fraction form
    218,593.03/327,901.25 = 68,844.98/x
  3. Step 3: Cross multiply
    218,593.03x = 327,901.25 × 68,844.98
  4. Step 4: Simplify right side
    218,593.03x = 22,574,355,990.09
  5. Step 5: Solve for x
    x = 22,574,355,990.09/218,593.03
  6. Step 6: Final answer
    x = 103,271.16

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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.