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Finding the Fourth Proportional to 267,692.40, 401,538.60 and 109,839.60

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Solution

The fourth proportional to 267,692.40, 401,538.60 and 109,839.60 is: 164,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,692.40 : 401,538.60 = 109,839.60 : x
  2. Step 2: Convert to fraction form
    267,692.40/401,538.60 = 109,839.60/x
  3. Step 3: Cross multiply
    267,692.40x = 401,538.60 × 109,839.60
  4. Step 4: Simplify right side
    267,692.40x = 44,104,839,208.56
  5. Step 5: Solve for x
    x = 44,104,839,208.56/267,692.40
  6. Step 6: Final answer
    x = 164,759.40

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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.