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Finding the Fourth Proportional to 83,010.68, 124,600.77 and 60,757.96

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Solution

The fourth proportional to 83,010.68, 124,600.77 and 60,757.96 is: 91,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,010.68 : 124,600.77 = 60,757.96 : x
  2. Step 2: Convert to fraction form
    83,010.68/124,600.77 = 60,757.96/x
  3. Step 3: Cross multiply
    83,010.68x = 124,600.77 × 60,757.96
  4. Step 4: Simplify right side
    83,010.68x = 7,570,488,599.63
  5. Step 5: Solve for x
    x = 7,570,488,599.63/83,010.68
  6. Step 6: Final answer
    x = 91,198.97

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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.