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Finding the Fourth Proportional to 218,361.82, 327,017.84 and 124,583.26

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Solution

The fourth proportional to 218,361.82, 327,017.84 and 124,583.26 is: 186,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,361.82 : 327,017.84 = 124,583.26 : x
  2. Step 2: Convert to fraction form
    218,361.82/327,017.84 = 124,583.26/x
  3. Step 3: Cross multiply
    218,361.82x = 327,017.84 × 124,583.26
  4. Step 4: Simplify right side
    218,361.82x = 40,740,948,585.36
  5. Step 5: Solve for x
    x = 40,740,948,585.36/218,361.82
  6. Step 6: Final answer
    x = 186,575.42

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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.