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Finding the Fourth Proportional to 207,973.39, 287,016.41 and 117,296.27

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Solution

The fourth proportional to 207,973.39, 287,016.41 and 117,296.27 is: 161,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,973.39 : 287,016.41 = 117,296.27 : x
  2. Step 2: Convert to fraction form
    207,973.39/287,016.41 = 117,296.27/x
  3. Step 3: Cross multiply
    207,973.39x = 287,016.41 × 117,296.27
  4. Step 4: Simplify right side
    207,973.39x = 33,665,954,452.85
  5. Step 5: Solve for x
    x = 33,665,954,452.85/207,973.39
  6. Step 6: Final answer
    x = 161,876.26

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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.