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Finding the Fourth Proportional to 141,891.84, 212,694.03 and 92,003.58

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Solution

The fourth proportional to 141,891.84, 212,694.03 and 92,003.58 is: 137,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,891.84 : 212,694.03 = 92,003.58 : x
  2. Step 2: Convert to fraction form
    141,891.84/212,694.03 = 92,003.58/x
  3. Step 3: Cross multiply
    141,891.84x = 212,694.03 × 92,003.58
  4. Step 4: Simplify right side
    141,891.84x = 19,568,612,204.63
  5. Step 5: Solve for x
    x = 19,568,612,204.63/141,891.84
  6. Step 6: Final answer
    x = 137,912.17

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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.