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Finding the Fourth Proportional to 273,428.15, 410,113.31 and 73,736.19

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Solution

The fourth proportional to 273,428.15, 410,113.31 and 73,736.19 is: 110,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,428.15 : 410,113.31 = 73,736.19 : x
  2. Step 2: Convert to fraction form
    273,428.15/410,113.31 = 73,736.19/x
  3. Step 3: Cross multiply
    273,428.15x = 410,113.31 × 73,736.19
  4. Step 4: Simplify right side
    273,428.15x = 30,240,192,579.01
  5. Step 5: Solve for x
    x = 30,240,192,579.01/273,428.15
  6. Step 6: Final answer
    x = 110,596.49

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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.