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Finding the Fourth Proportional to 246,647.81, 340,374.29 and 133,470.56

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Solution

The fourth proportional to 246,647.81, 340,374.29 and 133,470.56 is: 184,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,647.81 : 340,374.29 = 133,470.56 : x
  2. Step 2: Convert to fraction form
    246,647.81/340,374.29 = 133,470.56/x
  3. Step 3: Cross multiply
    246,647.81x = 340,374.29 × 133,470.56
  4. Step 4: Simplify right side
    246,647.81x = 45,429,947,279.49
  5. Step 5: Solve for x
    x = 45,429,947,279.49/246,647.81
  6. Step 6: Final answer
    x = 184,189.54

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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.