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Finding the Fourth Proportional to 246,993.74, 340,851.69 and 133,816.49

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Solution

The fourth proportional to 246,993.74, 340,851.69 and 133,816.49 is: 184,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,993.74 : 340,851.69 = 133,816.49 : x
  2. Step 2: Convert to fraction form
    246,993.74/340,851.69 = 133,816.49/x
  3. Step 3: Cross multiply
    246,993.74x = 340,851.69 × 133,816.49
  4. Step 4: Simplify right side
    246,993.74x = 45,611,575,062.11
  5. Step 5: Solve for x
    x = 45,611,575,062.11/246,993.74
  6. Step 6: Final answer
    x = 184,666.93

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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.