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Finding the Fourth Proportional to 246,999, 340,858.94 and 133,821.74

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Solution

The fourth proportional to 246,999, 340,858.94 and 133,821.74 is: 184,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,999 : 340,858.94 = 133,821.74 : x
  2. Step 2: Convert to fraction form
    246,999/340,858.94 = 133,821.74/x
  3. Step 3: Cross multiply
    246,999x = 340,858.94 × 133,821.74
  4. Step 4: Simplify right side
    246,999x = 45,614,336,445.36
  5. Step 5: Solve for x
    x = 45,614,336,445.36/246,999
  6. Step 6: Final answer
    x = 184,674.17

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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.