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Finding the Fourth Proportional to 92,666.48, 127,879.96 and 50,225

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Solution

The fourth proportional to 92,666.48, 127,879.96 and 50,225 is: 69,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,666.48 : 127,879.96 = 50,225 : x
  2. Step 2: Convert to fraction form
    92,666.48/127,879.96 = 50,225/x
  3. Step 3: Cross multiply
    92,666.48x = 127,879.96 × 50,225
  4. Step 4: Simplify right side
    92,666.48x = 6,422,770,991
  5. Step 5: Solve for x
    x = 6,422,770,991/92,666.48
  6. Step 6: Final answer
    x = 69,310.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.