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Finding the Fourth Proportional to 273,361.84, 410,040.32 and 86,373.36

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Solution

The fourth proportional to 273,361.84, 410,040.32 and 86,373.36 is: 129,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,361.84 : 410,040.32 = 86,373.36 : x
  2. Step 2: Convert to fraction form
    273,361.84/410,040.32 = 86,373.36/x
  3. Step 3: Cross multiply
    273,361.84x = 410,040.32 × 86,373.36
  4. Step 4: Simplify right side
    273,361.84x = 35,416,560,173.88
  5. Step 5: Solve for x
    x = 35,416,560,173.88/273,361.84
  6. Step 6: Final answer
    x = 129,559.27

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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.