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Finding the Fourth Proportional to 177,992.55, 267,032.52 and 81,884.79

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Solution

The fourth proportional to 177,992.55, 267,032.52 and 81,884.79 is: 122,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,992.55 : 267,032.52 = 81,884.79 : x
  2. Step 2: Convert to fraction form
    177,992.55/267,032.52 = 81,884.79/x
  3. Step 3: Cross multiply
    177,992.55x = 267,032.52 × 81,884.79
  4. Step 4: Simplify right side
    177,992.55x = 21,865,901,823.37
  5. Step 5: Solve for x
    x = 21,865,901,823.37/177,992.55
  6. Step 6: Final answer
    x = 122,847.29

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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.