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Finding the Fourth Proportional to 246,856.68, 340,662.78 and 133,679.40

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Solution

The fourth proportional to 246,856.68, 340,662.78 and 133,679.40 is: 184,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,856.68 : 340,662.78 = 133,679.40 : x
  2. Step 2: Convert to fraction form
    246,856.68/340,662.78 = 133,679.40/x
  3. Step 3: Cross multiply
    246,856.68x = 340,662.78 × 133,679.40
  4. Step 4: Simplify right side
    246,856.68x = 45,539,596,032.73
  5. Step 5: Solve for x
    x = 45,539,596,032.73/246,856.68
  6. Step 6: Final answer
    x = 184,477.88

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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.