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Finding the Fourth Proportional to 267,561.95, 401,342.11 and 67,881.96

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Solution

The fourth proportional to 267,561.95, 401,342.11 and 67,881.96 is: 101,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,561.95 : 401,342.11 = 67,881.96 : x
  2. Step 2: Convert to fraction form
    267,561.95/401,342.11 = 67,881.96/x
  3. Step 3: Cross multiply
    267,561.95x = 401,342.11 × 67,881.96
  4. Step 4: Simplify right side
    267,561.95x = 27,243,888,887.63
  5. Step 5: Solve for x
    x = 27,243,888,887.63/267,561.95
  6. Step 6: Final answer
    x = 101,822.73

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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.