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Finding the Fourth Proportional to 267,956.89, 401,629.58 and 107,930.40

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Solution

The fourth proportional to 267,956.89, 401,629.58 and 107,930.40 is: 161,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,956.89 : 401,629.58 = 107,930.40 : x
  2. Step 2: Convert to fraction form
    267,956.89/401,629.58 = 107,930.40/x
  3. Step 3: Cross multiply
    267,956.89x = 401,629.58 × 107,930.40
  4. Step 4: Simplify right side
    267,956.89x = 43,348,041,221.23
  5. Step 5: Solve for x
    x = 43,348,041,221.23/267,956.89
  6. Step 6: Final answer
    x = 161,772.44

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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.