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Finding the Fourth Proportional to 227,993.25, 341,989.92 and 61,781.25

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Solution

The fourth proportional to 227,993.25, 341,989.92 and 61,781.25 is: 92,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,993.25 : 341,989.92 = 61,781.25 : x
  2. Step 2: Convert to fraction form
    227,993.25/341,989.92 = 61,781.25/x
  3. Step 3: Cross multiply
    227,993.25x = 341,989.92 × 61,781.25
  4. Step 4: Simplify right side
    227,993.25x = 21,128,564,745
  5. Step 5: Solve for x
    x = 21,128,564,745/227,993.25
  6. Step 6: Final answer
    x = 92,671.89

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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.