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Finding the Fourth Proportional to 246,388.30, 369,605.80 and 68,895.31

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Solution

The fourth proportional to 246,388.30, 369,605.80 and 68,895.31 is: 103,349.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,388.30 : 369,605.80 = 68,895.31 : x
  2. Step 2: Convert to fraction form
    246,388.30/369,605.80 = 68,895.31/x
  3. Step 3: Cross multiply
    246,388.30x = 369,605.80 × 68,895.31
  4. Step 4: Simplify right side
    246,388.30x = 25,464,104,325.94
  5. Step 5: Solve for x
    x = 25,464,104,325.94/246,388.30
  6. Step 6: Final answer
    x = 103,349.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.