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Finding the Fourth Proportional to 273,808.91, 410,860.39 and 113,995.15

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Solution

The fourth proportional to 273,808.91, 410,860.39 and 113,995.15 is: 171,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,808.91 : 410,860.39 = 113,995.15 : x
  2. Step 2: Convert to fraction form
    273,808.91/410,860.39 = 113,995.15/x
  3. Step 3: Cross multiply
    273,808.91x = 410,860.39 × 113,995.15
  4. Step 4: Simplify right side
    273,808.91x = 46,836,093,849.75
  5. Step 5: Solve for x
    x = 46,836,093,849.75/273,808.91
  6. Step 6: Final answer
    x = 171,053.95

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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.