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Finding the Fourth Proportional to 275,929.56, 413,893.33 and 76,249.58

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Solution

The fourth proportional to 275,929.56, 413,893.33 and 76,249.58 is: 114,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,929.56 : 413,893.33 = 76,249.58 : x
  2. Step 2: Convert to fraction form
    275,929.56/413,893.33 = 76,249.58/x
  3. Step 3: Cross multiply
    275,929.56x = 413,893.33 × 76,249.58
  4. Step 4: Simplify right side
    275,929.56x = 31,559,190,317.21
  5. Step 5: Solve for x
    x = 31,559,190,317.21/275,929.56
  6. Step 6: Final answer
    x = 114,374.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.