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Finding the Fourth Proportional to 218,304.68, 327,583.38 and 91,936.04

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Solution

The fourth proportional to 218,304.68, 327,583.38 and 91,936.04 is: 137,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,304.68 : 327,583.38 = 91,936.04 : x
  2. Step 2: Convert to fraction form
    218,304.68/327,583.38 = 91,936.04/x
  3. Step 3: Cross multiply
    218,304.68x = 327,583.38 × 91,936.04
  4. Step 4: Simplify right side
    218,304.68x = 30,116,718,727.02
  5. Step 5: Solve for x
    x = 30,116,718,727.02/218,304.68
  6. Step 6: Final answer
    x = 137,957.27

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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.