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Finding the Fourth Proportional to 67,692.50, 101,536.68 and 32,179.40

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Solution

The fourth proportional to 67,692.50, 101,536.68 and 32,179.40 is: 48,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,692.50 : 101,536.68 = 32,179.40 : x
  2. Step 2: Convert to fraction form
    67,692.50/101,536.68 = 32,179.40/x
  3. Step 3: Cross multiply
    67,692.50x = 101,536.68 × 32,179.40
  4. Step 4: Simplify right side
    67,692.50x = 3,267,389,440.39
  5. Step 5: Solve for x
    x = 3,267,389,440.39/67,692.50
  6. Step 6: Final answer
    x = 48,268.12

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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.