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Finding the Fourth Proportional to 119,685.60, 179,625.60 and 115,797.60

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Solution

The fourth proportional to 119,685.60, 179,625.60 and 115,797.60 is: 173,790.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,685.60 : 179,625.60 = 115,797.60 : x
  2. Step 2: Convert to fraction form
    119,685.60/179,625.60 = 115,797.60/x
  3. Step 3: Cross multiply
    119,685.60x = 179,625.60 × 115,797.60
  4. Step 4: Simplify right side
    119,685.60x = 20,800,213,378.56
  5. Step 5: Solve for x
    x = 20,800,213,378.56/119,685.60
  6. Step 6: Final answer
    x = 173,790.44

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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.