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Finding the Fourth Proportional to 227,998.59, 341,945.82 and 85,858.86

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Solution

The fourth proportional to 227,998.59, 341,945.82 and 85,858.86 is: 128,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,998.59 : 341,945.82 = 85,858.86 : x
  2. Step 2: Convert to fraction form
    227,998.59/341,945.82 = 85,858.86/x
  3. Step 3: Cross multiply
    227,998.59x = 341,945.82 × 85,858.86
  4. Step 4: Simplify right side
    227,998.59x = 29,359,078,286.97
  5. Step 5: Solve for x
    x = 29,359,078,286.97/227,998.59
  6. Step 6: Final answer
    x = 128,768.68

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1.5x scale

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.