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Finding the Fourth Proportional to 92,610.33, 138,914.46 and 22,489.71

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Solution

The fourth proportional to 92,610.33, 138,914.46 and 22,489.71 is: 33,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,610.33 : 138,914.46 = 22,489.71 : x
  2. Step 2: Convert to fraction form
    92,610.33/138,914.46 = 22,489.71/x
  3. Step 3: Cross multiply
    92,610.33x = 138,914.46 × 22,489.71
  4. Step 4: Simplify right side
    92,610.33x = 3,124,145,920.21
  5. Step 5: Solve for x
    x = 3,124,145,920.21/92,610.33
  6. Step 6: Final answer
    x = 33,734.31

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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.