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Finding the Fourth Proportional to 192,619.04, 265,815.96 and 107,744

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Solution

The fourth proportional to 192,619.04, 265,815.96 and 107,744 is: 148,687.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,619.04 : 265,815.96 = 107,744 : x
  2. Step 2: Convert to fraction form
    192,619.04/265,815.96 = 107,744/x
  3. Step 3: Cross multiply
    192,619.04x = 265,815.96 × 107,744
  4. Step 4: Simplify right side
    192,619.04x = 28,640,074,794.24
  5. Step 5: Solve for x
    x = 28,640,074,794.24/192,619.04
  6. Step 6: Final answer
    x = 148,687.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.