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Finding the Fourth Proportional to 267,810.69, 401,718.39 and 68,131.29

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Solution

The fourth proportional to 267,810.69, 401,718.39 and 68,131.29 is: 102,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,810.69 : 401,718.39 = 68,131.29 : x
  2. Step 2: Convert to fraction form
    267,810.69/401,718.39 = 68,131.29/x
  3. Step 3: Cross multiply
    267,810.69x = 401,718.39 × 68,131.29
  4. Step 4: Simplify right side
    267,810.69x = 27,369,592,127.42
  5. Step 5: Solve for x
    x = 27,369,592,127.42/267,810.69
  6. Step 6: Final answer
    x = 102,197.53

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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.