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Finding the Fourth Proportional to 246,054.65, 369,081.95 and 140,799.20

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Solution

The fourth proportional to 246,054.65, 369,081.95 and 140,799.20 is: 211,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,054.65 : 369,081.95 = 140,799.20 : x
  2. Step 2: Convert to fraction form
    246,054.65/369,081.95 = 140,799.20/x
  3. Step 3: Cross multiply
    246,054.65x = 369,081.95 × 140,799.20
  4. Step 4: Simplify right side
    246,054.65x = 51,966,440,745.03
  5. Step 5: Solve for x
    x = 51,966,440,745.03/246,054.65
  6. Step 6: Final answer
    x = 211,198.78

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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.