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Finding the Fourth Proportional to 246,879.72, 370,338.78 and 80,684.52

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Solution

The fourth proportional to 246,879.72, 370,338.78 and 80,684.52 is: 121,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,879.72 : 370,338.78 = 80,684.52 : x
  2. Step 2: Convert to fraction form
    246,879.72/370,338.78 = 80,684.52/x
  3. Step 3: Cross multiply
    246,879.72x = 370,338.78 × 80,684.52
  4. Step 4: Simplify right side
    246,879.72x = 29,880,606,701.69
  5. Step 5: Solve for x
    x = 29,880,606,701.69/246,879.72
  6. Step 6: Final answer
    x = 121,033.05

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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.