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Finding the Fourth Proportional to 227,769.86, 341,663.96 and 85,600.28

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Solution

The fourth proportional to 227,769.86, 341,663.96 and 85,600.28 is: 128,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,769.86 : 341,663.96 = 85,600.28 : x
  2. Step 2: Convert to fraction form
    227,769.86/341,663.96 = 85,600.28/x
  3. Step 3: Cross multiply
    227,769.86x = 341,663.96 × 85,600.28
  4. Step 4: Simplify right side
    227,769.86x = 29,246,529,147.59
  5. Step 5: Solve for x
    x = 29,246,529,147.59/227,769.86
  6. Step 6: Final answer
    x = 128,403.86

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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.