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Finding the Fourth Proportional to 267,967.68, 401,667.36 and 125,692.80

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Solution

The fourth proportional to 267,967.68, 401,667.36 and 125,692.80 is: 188,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,967.68 : 401,667.36 = 125,692.80 : x
  2. Step 2: Convert to fraction form
    267,967.68/401,667.36 = 125,692.80/x
  3. Step 3: Cross multiply
    267,967.68x = 401,667.36 × 125,692.80
  4. Step 4: Simplify right side
    267,967.68x = 50,486,695,147.01
  5. Step 5: Solve for x
    x = 50,486,695,147.01/267,967.68
  6. Step 6: Final answer
    x = 188,405.91

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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.