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Finding the Fourth Proportional to 267,292.69, 400,890.60 and 107,362.17

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Solution

The fourth proportional to 267,292.69, 400,890.60 and 107,362.17 is: 161,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,292.69 : 400,890.60 = 107,362.17 : x
  2. Step 2: Convert to fraction form
    267,292.69/400,890.60 = 107,362.17/x
  3. Step 3: Cross multiply
    267,292.69x = 400,890.60 × 107,362.17
  4. Step 4: Simplify right side
    267,292.69x = 43,040,484,748.60
  5. Step 5: Solve for x
    x = 43,040,484,748.60/267,292.69
  6. Step 6: Final answer
    x = 161,023.80

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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.