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Finding the Fourth Proportional to 117,174.60, 175,645.26 and 67,194.36

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Solution

The fourth proportional to 117,174.60, 175,645.26 and 67,194.36 is: 100,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,174.60 : 175,645.26 = 67,194.36 : x
  2. Step 2: Convert to fraction form
    117,174.60/175,645.26 = 67,194.36/x
  3. Step 3: Cross multiply
    117,174.60x = 175,645.26 × 67,194.36
  4. Step 4: Simplify right side
    117,174.60x = 11,802,370,832.73
  5. Step 5: Solve for x
    x = 11,802,370,832.73/117,174.60
  6. Step 6: Final answer
    x = 100,724.65

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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.