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Finding the Fourth Proportional to 89,798.67, 123,927.68 and 49,512.31

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Solution

The fourth proportional to 89,798.67, 123,927.68 and 49,512.31 is: 68,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,798.67 : 123,927.68 = 49,512.31 : x
  2. Step 2: Convert to fraction form
    89,798.67/123,927.68 = 49,512.31/x
  3. Step 3: Cross multiply
    89,798.67x = 123,927.68 × 49,512.31
  4. Step 4: Simplify right side
    89,798.67x = 6,135,945,523.70
  5. Step 5: Solve for x
    x = 6,135,945,523.70/89,798.67
  6. Step 6: Final answer
    x = 68,330.03

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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.