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Finding the Fourth Proportional to 267,667.38, 401,522.91 and 134,478.90

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Solution

The fourth proportional to 267,667.38, 401,522.91 and 134,478.90 is: 201,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,667.38 : 401,522.91 = 134,478.90 : x
  2. Step 2: Convert to fraction form
    267,667.38/401,522.91 = 134,478.90/x
  3. Step 3: Cross multiply
    267,667.38x = 401,522.91 × 134,478.90
  4. Step 4: Simplify right side
    267,667.38x = 53,996,359,261.60
  5. Step 5: Solve for x
    x = 53,996,359,261.60/267,667.38
  6. Step 6: Final answer
    x = 201,729.32

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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.