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Finding the Fourth Proportional to 273,903.53, 410,899.41 and 84,363.84

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Solution

The fourth proportional to 273,903.53, 410,899.41 and 84,363.84 is: 126,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,903.53 : 410,899.41 = 84,363.84 : x
  2. Step 2: Convert to fraction form
    273,903.53/410,899.41 = 84,363.84/x
  3. Step 3: Cross multiply
    273,903.53x = 410,899.41 × 84,363.84
  4. Step 4: Simplify right side
    273,903.53x = 34,665,052,081.33
  5. Step 5: Solve for x
    x = 34,665,052,081.33/273,903.53
  6. Step 6: Final answer
    x = 126,559.35

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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.