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Finding the Fourth Proportional to 267,604.60, 401,066.70 and 109,654.60

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Solution

The fourth proportional to 267,604.60, 401,066.70 and 109,654.60 is: 164,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,604.60 : 401,066.70 = 109,654.60 : x
  2. Step 2: Convert to fraction form
    267,604.60/401,066.70 = 109,654.60/x
  3. Step 3: Cross multiply
    267,604.60x = 401,066.70 × 109,654.60
  4. Step 4: Simplify right side
    267,604.60x = 43,978,808,561.82
  5. Step 5: Solve for x
    x = 43,978,808,561.82/267,604.60
  6. Step 6: Final answer
    x = 164,342.50

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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.