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Finding the Fourth Proportional to 227,992.75, 341,989.17 and 61,780.75

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Solution

The fourth proportional to 227,992.75, 341,989.17 and 61,780.75 is: 92,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,992.75 : 341,989.17 = 61,780.75 : x
  2. Step 2: Convert to fraction form
    227,992.75/341,989.17 = 61,780.75/x
  3. Step 3: Cross multiply
    227,992.75x = 341,989.17 × 61,780.75
  4. Step 4: Simplify right side
    227,992.75x = 21,128,347,414.48
  5. Step 5: Solve for x
    x = 21,128,347,414.48/227,992.75
  6. Step 6: Final answer
    x = 92,671.14

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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.