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Finding the Fourth Proportional to 246,658.96, 340,389.64 and 133,481.72

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Solution

The fourth proportional to 246,658.96, 340,389.64 and 133,481.72 is: 184,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,658.96 : 340,389.64 = 133,481.72 : x
  2. Step 2: Convert to fraction form
    246,658.96/340,389.64 = 133,481.72/x
  3. Step 3: Cross multiply
    246,658.96x = 340,389.64 × 133,481.72
  4. Step 4: Simplify right side
    246,658.96x = 45,435,794,617.38
  5. Step 5: Solve for x
    x = 45,435,794,617.38/246,658.96
  6. Step 6: Final answer
    x = 184,204.92

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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.