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Finding the Fourth Proportional to 245,793.61, 368,710.44 and 68,300.65

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Solution

The fourth proportional to 245,793.61, 368,710.44 and 68,300.65 is: 102,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,793.61 : 368,710.44 = 68,300.65 : x
  2. Step 2: Convert to fraction form
    245,793.61/368,710.44 = 68,300.65/x
  3. Step 3: Cross multiply
    245,793.61x = 368,710.44 × 68,300.65
  4. Step 4: Simplify right side
    245,793.61x = 25,183,162,713.79
  5. Step 5: Solve for x
    x = 25,183,162,713.79/245,793.61
  6. Step 6: Final answer
    x = 102,456.54

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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.