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Finding the Fourth Proportional to 92,169.89, 138,299.99 and 33,010.12

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Solution

The fourth proportional to 92,169.89, 138,299.99 and 33,010.12 is: 49,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,169.89 : 138,299.99 = 33,010.12 : x
  2. Step 2: Convert to fraction form
    92,169.89/138,299.99 = 33,010.12/x
  3. Step 3: Cross multiply
    92,169.89x = 138,299.99 × 33,010.12
  4. Step 4: Simplify right side
    92,169.89x = 4,565,299,265.90
  5. Step 5: Solve for x
    x = 4,565,299,265.90/92,169.89
  6. Step 6: Final answer
    x = 49,531.35

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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.