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Finding the Fourth Proportional to 246,993.75, 340,851.69 and 133,816.50

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Solution

The fourth proportional to 246,993.75, 340,851.69 and 133,816.50 is: 184,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,993.75 : 340,851.69 = 133,816.50 : x
  2. Step 2: Convert to fraction form
    246,993.75/340,851.69 = 133,816.50/x
  3. Step 3: Cross multiply
    246,993.75x = 340,851.69 × 133,816.50
  4. Step 4: Simplify right side
    246,993.75x = 45,611,580,174.89
  5. Step 5: Solve for x
    x = 45,611,580,174.89/246,993.75
  6. Step 6: Final answer
    x = 184,666.94

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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.