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Finding the Fourth Proportional to 69,903.73, 96,476.67 and 41,231.49

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Solution

The fourth proportional to 69,903.73, 96,476.67 and 41,231.49 is: 56,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,903.73 : 96,476.67 = 41,231.49 : x
  2. Step 2: Convert to fraction form
    69,903.73/96,476.67 = 41,231.49/x
  3. Step 3: Cross multiply
    69,903.73x = 96,476.67 × 41,231.49
  4. Step 4: Simplify right side
    69,903.73x = 3,977,876,854.34
  5. Step 5: Solve for x
    x = 3,977,876,854.34/69,903.73
  6. Step 6: Final answer
    x = 56,905.07

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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.