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Finding the Fourth Proportional to 245,694.92, 368,559.21 and 83,522.97

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Solution

The fourth proportional to 245,694.92, 368,559.21 and 83,522.97 is: 125,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,694.92 : 368,559.21 = 83,522.97 : x
  2. Step 2: Convert to fraction form
    245,694.92/368,559.21 = 83,522.97/x
  3. Step 3: Cross multiply
    245,694.92x = 368,559.21 × 83,522.97
  4. Step 4: Simplify right side
    245,694.92x = 30,783,159,840.05
  5. Step 5: Solve for x
    x = 30,783,159,840.05/245,694.92
  6. Step 6: Final answer
    x = 125,290.18

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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.