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Finding the Fourth Proportional to 171,763.44, 257,719.32 and 92,933.16

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Solution

The fourth proportional to 171,763.44, 257,719.32 and 92,933.16 is: 139,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,763.44 : 257,719.32 = 92,933.16 : x
  2. Step 2: Convert to fraction form
    171,763.44/257,719.32 = 92,933.16/x
  3. Step 3: Cross multiply
    171,763.44x = 257,719.32 × 92,933.16
  4. Step 4: Simplify right side
    171,763.44x = 23,950,670,800.65
  5. Step 5: Solve for x
    x = 23,950,670,800.65/171,763.44
  6. Step 6: Final answer
    x = 139,439.86

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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.