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Finding the Fourth Proportional to 170,069.63, 255,104.44 and 45,410.63

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Solution

The fourth proportional to 170,069.63, 255,104.44 and 45,410.63 is: 68,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,069.63 : 255,104.44 = 45,410.63 : x
  2. Step 2: Convert to fraction form
    170,069.63/255,104.44 = 45,410.63/x
  3. Step 3: Cross multiply
    170,069.63x = 255,104.44 × 45,410.63
  4. Step 4: Simplify right side
    170,069.63x = 11,584,451,947.15
  5. Step 5: Solve for x
    x = 11,584,451,947.15/170,069.63
  6. Step 6: Final answer
    x = 68,115.94

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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.