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Finding the Fourth Proportional to 246,986.64, 340,843.20 and 133,809.39

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Solution

The fourth proportional to 246,986.64, 340,843.20 and 133,809.39 is: 184,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,986.64 : 340,843.20 = 133,809.39 : x
  2. Step 2: Convert to fraction form
    246,986.64/340,843.20 = 133,809.39/x
  3. Step 3: Cross multiply
    246,986.64x = 340,843.20 × 133,809.39
  4. Step 4: Simplify right side
    246,986.64x = 45,608,020,677.65
  5. Step 5: Solve for x
    x = 45,608,020,677.65/246,986.64
  6. Step 6: Final answer
    x = 184,657.84

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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.