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Finding the Fourth Proportional to 74,092.36, 102,248.10 and 43,879.36

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Solution

The fourth proportional to 74,092.36, 102,248.10 and 43,879.36 is: 60,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,092.36 : 102,248.10 = 43,879.36 : x
  2. Step 2: Convert to fraction form
    74,092.36/102,248.10 = 43,879.36/x
  3. Step 3: Cross multiply
    74,092.36x = 102,248.10 × 43,879.36
  4. Step 4: Simplify right side
    74,092.36x = 4,486,581,189.22
  5. Step 5: Solve for x
    x = 4,486,581,189.22/74,092.36
  6. Step 6: Final answer
    x = 60,553.90

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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.