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Finding the Fourth Proportional to 267,998.61, 401,912.57 and 88,042.27

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Solution

The fourth proportional to 267,998.61, 401,912.57 and 88,042.27 is: 132,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,998.61 : 401,912.57 = 88,042.27 : x
  2. Step 2: Convert to fraction form
    267,998.61/401,912.57 = 88,042.27/x
  3. Step 3: Cross multiply
    267,998.61x = 401,912.57 × 88,042.27
  4. Step 4: Simplify right side
    267,998.61x = 35,385,294,478.01
  5. Step 5: Solve for x
    x = 35,385,294,478.01/267,998.61
  6. Step 6: Final answer
    x = 132,035.36

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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.