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Finding the Fourth Proportional to 245,974.59, 368,955.41 and 68,493.87

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Solution

The fourth proportional to 245,974.59, 368,955.41 and 68,493.87 is: 102,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,974.59 : 368,955.41 = 68,493.87 : x
  2. Step 2: Convert to fraction form
    245,974.59/368,955.41 = 68,493.87/x
  3. Step 3: Cross multiply
    245,974.59x = 368,955.41 × 68,493.87
  4. Step 4: Simplify right side
    245,974.59x = 25,271,183,545.87
  5. Step 5: Solve for x
    x = 25,271,183,545.87/245,974.59
  6. Step 6: Final answer
    x = 102,739.00

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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.