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Finding the Fourth Proportional to 168,530.40, 252,507.88 and 92,692.42

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Solution

The fourth proportional to 168,530.40, 252,507.88 and 92,692.42 is: 138,880.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,530.40 : 252,507.88 = 92,692.42 : x
  2. Step 2: Convert to fraction form
    168,530.40/252,507.88 = 92,692.42/x
  3. Step 3: Cross multiply
    168,530.40x = 252,507.88 × 92,692.42
  4. Step 4: Simplify right side
    168,530.40x = 23,405,566,466.27
  5. Step 5: Solve for x
    x = 23,405,566,466.27/168,530.40
  6. Step 6: Final answer
    x = 138,880.38

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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.