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Finding the Fourth Proportional to 246,247.30, 369,027.87 and 138,079.65

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Solution

The fourth proportional to 246,247.30, 369,027.87 and 138,079.65 is: 206,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,247.30 : 369,027.87 = 138,079.65 : x
  2. Step 2: Convert to fraction form
    246,247.30/369,027.87 = 138,079.65/x
  3. Step 3: Cross multiply
    246,247.30x = 369,027.87 × 138,079.65
  4. Step 4: Simplify right side
    246,247.30x = 50,955,239,995.90
  5. Step 5: Solve for x
    x = 50,955,239,995.90/246,247.30
  6. Step 6: Final answer
    x = 206,927.10

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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.