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Finding the Fourth Proportional to 171,692.78, 257,610.03 and 92,714

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Solution

The fourth proportional to 171,692.78, 257,610.03 and 92,714 is: 139,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,692.78 : 257,610.03 = 92,714 : x
  2. Step 2: Convert to fraction form
    171,692.78/257,610.03 = 92,714/x
  3. Step 3: Cross multiply
    171,692.78x = 257,610.03 × 92,714
  4. Step 4: Simplify right side
    171,692.78x = 23,884,056,321.42
  5. Step 5: Solve for x
    x = 23,884,056,321.42/171,692.78
  6. Step 6: Final answer
    x = 139,109.26

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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.