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Finding the Fourth Proportional to 245,984.45, 368,976.67 and 68,496.03

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Solution

The fourth proportional to 245,984.45, 368,976.67 and 68,496.03 is: 102,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,984.45 : 368,976.67 = 68,496.03 : x
  2. Step 2: Convert to fraction form
    245,984.45/368,976.67 = 68,496.03/x
  3. Step 3: Cross multiply
    245,984.45x = 368,976.67 × 68,496.03
  4. Step 4: Simplify right side
    245,984.45x = 25,273,436,886.38
  5. Step 5: Solve for x
    x = 25,273,436,886.38/245,984.45
  6. Step 6: Final answer
    x = 102,744.05

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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.