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Finding the Fourth Proportional to 246,412.88, 369,562.80 and 68,932.40

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Solution

The fourth proportional to 246,412.88, 369,562.80 and 68,932.40 is: 103,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,412.88 : 369,562.80 = 68,932.40 : x
  2. Step 2: Convert to fraction form
    246,412.88/369,562.80 = 68,932.40/x
  3. Step 3: Cross multiply
    246,412.88x = 369,562.80 × 68,932.40
  4. Step 4: Simplify right side
    246,412.88x = 25,474,850,754.72
  5. Step 5: Solve for x
    x = 25,474,850,754.72/246,412.88
  6. Step 6: Final answer
    x = 103,382.79

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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.