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Finding the Fourth Proportional to 246,803.52, 340,592.16 and 149,979.84

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Solution

The fourth proportional to 246,803.52, 340,592.16 and 149,979.84 is: 206,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,803.52 : 340,592.16 = 149,979.84 : x
  2. Step 2: Convert to fraction form
    246,803.52/340,592.16 = 149,979.84/x
  3. Step 3: Cross multiply
    246,803.52x = 340,592.16 × 149,979.84
  4. Step 4: Simplify right side
    246,803.52x = 51,081,957,662.05
  5. Step 5: Solve for x
    x = 51,081,957,662.05/246,803.52
  6. Step 6: Final answer
    x = 206,974.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.