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Finding the Fourth Proportional to 227,991.88, 314,619.06 and 126,012.12

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Solution

The fourth proportional to 227,991.88, 314,619.06 and 126,012.12 is: 173,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,991.88 : 314,619.06 = 126,012.12 : x
  2. Step 2: Convert to fraction form
    227,991.88/314,619.06 = 126,012.12/x
  3. Step 3: Cross multiply
    227,991.88x = 314,619.06 × 126,012.12
  4. Step 4: Simplify right side
    227,991.88x = 39,645,814,743.01
  5. Step 5: Solve for x
    x = 39,645,814,743.01/227,991.88
  6. Step 6: Final answer
    x = 173,891.35

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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.