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Finding the Fourth Proportional to 267,805.58, 401,710.64 and 68,126.13

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Solution

The fourth proportional to 267,805.58, 401,710.64 and 68,126.13 is: 102,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,805.58 : 401,710.64 = 68,126.13 : x
  2. Step 2: Convert to fraction form
    267,805.58/401,710.64 = 68,126.13/x
  3. Step 3: Cross multiply
    267,805.58x = 401,710.64 × 68,126.13
  4. Step 4: Simplify right side
    267,805.58x = 27,366,990,942.39
  5. Step 5: Solve for x
    x = 27,366,990,942.39/267,805.58
  6. Step 6: Final answer
    x = 102,189.77

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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.