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Finding the Fourth Proportional to 267,957.29, 401,630.19 and 107,930.80

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Solution

The fourth proportional to 267,957.29, 401,630.19 and 107,930.80 is: 161,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,957.29 : 401,630.19 = 107,930.80 : x
  2. Step 2: Convert to fraction form
    267,957.29/401,630.19 = 107,930.80/x
  3. Step 3: Cross multiply
    267,957.29x = 401,630.19 × 107,930.80
  4. Step 4: Simplify right side
    267,957.29x = 43,348,267,808.15
  5. Step 5: Solve for x
    x = 43,348,267,808.15/267,957.29
  6. Step 6: Final answer
    x = 161,773.05

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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.