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Finding the Fourth Proportional to 174,965.20, 262,512.60 and 69,859.60

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Solution

The fourth proportional to 174,965.20, 262,512.60 and 69,859.60 is: 104,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,965.20 : 262,512.60 = 69,859.60 : x
  2. Step 2: Convert to fraction form
    174,965.20/262,512.60 = 69,859.60/x
  3. Step 3: Cross multiply
    174,965.20x = 262,512.60 × 69,859.60
  4. Step 4: Simplify right side
    174,965.20x = 18,339,025,230.96
  5. Step 5: Solve for x
    x = 18,339,025,230.96/174,965.20
  6. Step 6: Final answer
    x = 104,815.27

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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.