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Finding the Fourth Proportional to 246,997.88, 340,858.49 and 133,820.63

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Solution

The fourth proportional to 246,997.88, 340,858.49 and 133,820.63 is: 184,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,997.88 : 340,858.49 = 133,820.63 : x
  2. Step 2: Convert to fraction form
    246,997.88/340,858.49 = 133,820.63/x
  3. Step 3: Cross multiply
    246,997.88x = 340,858.49 × 133,820.63
  4. Step 4: Simplify right side
    246,997.88x = 45,613,897,872.65
  5. Step 5: Solve for x
    x = 45,613,897,872.65/246,997.88
  6. Step 6: Final answer
    x = 184,673.24

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1.5x scale

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.