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Finding the Fourth Proportional to 171,873.20, 258,004.20 and 92,946.80

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Solution

The fourth proportional to 171,873.20, 258,004.20 and 92,946.80 is: 139,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,873.20 : 258,004.20 = 92,946.80 : x
  2. Step 2: Convert to fraction form
    171,873.20/258,004.20 = 92,946.80/x
  3. Step 3: Cross multiply
    171,873.20x = 258,004.20 × 92,946.80
  4. Step 4: Simplify right side
    171,873.20x = 23,980,664,776.56
  5. Step 5: Solve for x
    x = 23,980,664,776.56/171,873.20
  6. Step 6: Final answer
    x = 139,525.33

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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.