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Finding the Fourth Proportional to 104,048.99, 156,078.87 and 32,979.19

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Solution

The fourth proportional to 104,048.99, 156,078.87 and 32,979.19 is: 49,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,048.99 : 156,078.87 = 32,979.19 : x
  2. Step 2: Convert to fraction form
    104,048.99/156,078.87 = 32,979.19/x
  3. Step 3: Cross multiply
    104,048.99x = 156,078.87 × 32,979.19
  4. Step 4: Simplify right side
    104,048.99x = 5,147,354,708.72
  5. Step 5: Solve for x
    x = 5,147,354,708.72/104,048.99
  6. Step 6: Final answer
    x = 49,470.49

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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.