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Finding the Fourth Proportional to 116,107.44, 174,219.60 and 86,584.56

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Solution

The fourth proportional to 116,107.44, 174,219.60 and 86,584.56 is: 129,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,107.44 : 174,219.60 = 86,584.56 : x
  2. Step 2: Convert to fraction form
    116,107.44/174,219.60 = 86,584.56/x
  3. Step 3: Cross multiply
    116,107.44x = 174,219.60 × 86,584.56
  4. Step 4: Simplify right side
    116,107.44x = 15,084,727,409.38
  5. Step 5: Solve for x
    x = 15,084,727,409.38/116,107.44
  6. Step 6: Final answer
    x = 129,920.42

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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.