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Finding the Fourth Proportional to 74,383.52, 102,649.24 and 40,849.52

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Solution

The fourth proportional to 74,383.52, 102,649.24 and 40,849.52 is: 56,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,383.52 : 102,649.24 = 40,849.52 : x
  2. Step 2: Convert to fraction form
    74,383.52/102,649.24 = 40,849.52/x
  3. Step 3: Cross multiply
    74,383.52x = 102,649.24 × 40,849.52
  4. Step 4: Simplify right side
    74,383.52x = 4,193,172,182.36
  5. Step 5: Solve for x
    x = 4,193,172,182.36/74,383.52
  6. Step 6: Final answer
    x = 56,372.33

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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.