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Finding the Fourth Proportional to 171,753.44, 257,704.32 and 92,923.16

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Solution

The fourth proportional to 171,753.44, 257,704.32 and 92,923.16 is: 139,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,753.44 : 257,704.32 = 92,923.16 : x
  2. Step 2: Convert to fraction form
    171,753.44/257,704.32 = 92,923.16/x
  3. Step 3: Cross multiply
    171,753.44x = 257,704.32 × 92,923.16
  4. Step 4: Simplify right side
    171,753.44x = 23,946,699,760.05
  5. Step 5: Solve for x
    x = 23,946,699,760.05/171,753.44
  6. Step 6: Final answer
    x = 139,424.86

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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.