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Finding the Fourth Proportional to 246,471.76, 369,693.06 and 68,974.84

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Solution

The fourth proportional to 246,471.76, 369,693.06 and 68,974.84 is: 103,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,471.76 : 369,693.06 = 68,974.84 : x
  2. Step 2: Convert to fraction form
    246,471.76/369,693.06 = 68,974.84/x
  3. Step 3: Cross multiply
    246,471.76x = 369,693.06 × 68,974.84
  4. Step 4: Simplify right side
    246,471.76x = 25,499,519,662.61
  5. Step 5: Solve for x
    x = 25,499,519,662.61/246,471.76
  6. Step 6: Final answer
    x = 103,458.18

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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.