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Finding the Fourth Proportional to 267,530.70, 401,296.77 and 67,851.21

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Solution

The fourth proportional to 267,530.70, 401,296.77 and 67,851.21 is: 101,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,530.70 : 401,296.77 = 67,851.21 : x
  2. Step 2: Convert to fraction form
    267,530.70/401,296.77 = 67,851.21/x
  3. Step 3: Cross multiply
    267,530.70x = 401,296.77 × 67,851.21
  4. Step 4: Simplify right side
    267,530.70x = 27,228,471,413.59
  5. Step 5: Solve for x
    x = 27,228,471,413.59/267,530.70
  6. Step 6: Final answer
    x = 101,777.00

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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.