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Finding the Fourth Proportional to 267,751.83, 401,628.68 and 68,072.24

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Solution

The fourth proportional to 267,751.83, 401,628.68 and 68,072.24 is: 102,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,751.83 : 401,628.68 = 68,072.24 : x
  2. Step 2: Convert to fraction form
    267,751.83/401,628.68 = 68,072.24/x
  3. Step 3: Cross multiply
    267,751.83x = 401,628.68 × 68,072.24
  4. Step 4: Simplify right side
    267,751.83x = 27,339,762,810.93
  5. Step 5: Solve for x
    x = 27,339,762,810.93/267,751.83
  6. Step 6: Final answer
    x = 102,108.59

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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.