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Finding the Fourth Proportional to 141,744.36, 212,616.84 and 133,083.84

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Solution

The fourth proportional to 141,744.36, 212,616.84 and 133,083.84 is: 199,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,744.36 : 212,616.84 = 133,083.84 : x
  2. Step 2: Convert to fraction form
    141,744.36/212,616.84 = 133,083.84/x
  3. Step 3: Cross multiply
    141,744.36x = 212,616.84 × 133,083.84
  4. Step 4: Simplify right side
    141,744.36x = 28,295,865,515.87
  5. Step 5: Solve for x
    x = 28,295,865,515.87/141,744.36
  6. Step 6: Final answer
    x = 199,626.04

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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.