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Finding the Fourth Proportional to 246,222.40, 369,328.20 and 68,724.40

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Solution

The fourth proportional to 246,222.40, 369,328.20 and 68,724.40 is: 103,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,222.40 : 369,328.20 = 68,724.40 : x
  2. Step 2: Convert to fraction form
    246,222.40/369,328.20 = 68,724.40/x
  3. Step 3: Cross multiply
    246,222.40x = 369,328.20 × 68,724.40
  4. Step 4: Simplify right side
    246,222.40x = 25,381,858,948.08
  5. Step 5: Solve for x
    x = 25,381,858,948.08/246,222.40
  6. Step 6: Final answer
    x = 103,085.09

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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.