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Finding the Fourth Proportional to 267,620.60, 401,090.70 and 109,670.60

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Solution

The fourth proportional to 267,620.60, 401,090.70 and 109,670.60 is: 164,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,620.60 : 401,090.70 = 109,670.60 : x
  2. Step 2: Convert to fraction form
    267,620.60/401,090.70 = 109,670.60/x
  3. Step 3: Cross multiply
    267,620.60x = 401,090.70 × 109,670.60
  4. Step 4: Simplify right side
    267,620.60x = 43,987,857,723.42
  5. Step 5: Solve for x
    x = 43,987,857,723.42/267,620.60
  6. Step 6: Final answer
    x = 164,366.49

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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.