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Finding the Fourth Proportional to 267,957.39, 401,630.33 and 107,930.90

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Solution

The fourth proportional to 267,957.39, 401,630.33 and 107,930.90 is: 161,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,957.39 : 401,630.33 = 107,930.90 : x
  2. Step 2: Convert to fraction form
    267,957.39/401,630.33 = 107,930.90/x
  3. Step 3: Cross multiply
    267,957.39x = 401,630.33 × 107,930.90
  4. Step 4: Simplify right side
    267,957.39x = 43,348,320,436.39
  5. Step 5: Solve for x
    x = 43,348,320,436.39/267,957.39
  6. Step 6: Final answer
    x = 161,773.19

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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.