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Finding the Fourth Proportional to 246,486.40, 369,728.40 and 96,620.80

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Solution

The fourth proportional to 246,486.40, 369,728.40 and 96,620.80 is: 144,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,486.40 : 369,728.40 = 96,620.80 : x
  2. Step 2: Convert to fraction form
    246,486.40/369,728.40 = 96,620.80/x
  3. Step 3: Cross multiply
    246,486.40x = 369,728.40 × 96,620.80
  4. Step 4: Simplify right side
    246,486.40x = 35,723,453,790.72
  5. Step 5: Solve for x
    x = 35,723,453,790.72/246,486.40
  6. Step 6: Final answer
    x = 144,930.73

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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.