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Finding the Fourth Proportional to 171,692.69, 257,613.04 and 92,862.41

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Solution

The fourth proportional to 171,692.69, 257,613.04 and 92,862.41 is: 139,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,692.69 : 257,613.04 = 92,862.41 : x
  2. Step 2: Convert to fraction form
    171,692.69/257,613.04 = 92,862.41/x
  3. Step 3: Cross multiply
    171,692.69x = 257,613.04 × 92,862.41
  4. Step 4: Simplify right side
    171,692.69x = 23,922,567,741.83
  5. Step 5: Solve for x
    x = 23,922,567,741.83/171,692.69
  6. Step 6: Final answer
    x = 139,333.64

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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.