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Finding the Fourth Proportional to 246,679.20, 370,018.80 and 69,216.30

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Solution

The fourth proportional to 246,679.20, 370,018.80 and 69,216.30 is: 103,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,679.20 : 370,018.80 = 69,216.30 : x
  2. Step 2: Convert to fraction form
    246,679.20/370,018.80 = 69,216.30/x
  3. Step 3: Cross multiply
    246,679.20x = 370,018.80 × 69,216.30
  4. Step 4: Simplify right side
    246,679.20x = 25,611,332,266.44
  5. Step 5: Solve for x
    x = 25,611,332,266.44/246,679.20
  6. Step 6: Final answer
    x = 103,824.45

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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.