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Finding the Fourth Proportional to 245,843.88, 368,940.76 and 189,740.04

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Solution

The fourth proportional to 245,843.88, 368,940.76 and 189,740.04 is: 284,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,843.88 : 368,940.76 = 189,740.04 : x
  2. Step 2: Convert to fraction form
    245,843.88/368,940.76 = 189,740.04/x
  3. Step 3: Cross multiply
    245,843.88x = 368,940.76 × 189,740.04
  4. Step 4: Simplify right side
    245,843.88x = 70,002,834,560.03
  5. Step 5: Solve for x
    x = 70,002,834,560.03/245,843.88
  6. Step 6: Final answer
    x = 284,745.08

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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.