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Finding the Fourth Proportional to 267,567.82, 401,350.92 and 67,887.86

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Solution

The fourth proportional to 267,567.82, 401,350.92 and 67,887.86 is: 101,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,567.82 : 401,350.92 = 67,887.86 : x
  2. Step 2: Convert to fraction form
    267,567.82/401,350.92 = 67,887.86/x
  3. Step 3: Cross multiply
    267,567.82x = 401,350.92 × 67,887.86
  4. Step 4: Simplify right side
    267,567.82x = 27,246,855,067.83
  5. Step 5: Solve for x
    x = 27,246,855,067.83/267,567.82
  6. Step 6: Final answer
    x = 101,831.58

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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.