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Finding the Fourth Proportional to 91,790.92, 137,659.92 and 25,233.22

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Solution

The fourth proportional to 91,790.92, 137,659.92 and 25,233.22 is: 37,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,790.92 : 137,659.92 = 25,233.22 : x
  2. Step 2: Convert to fraction form
    91,790.92/137,659.92 = 25,233.22/x
  3. Step 3: Cross multiply
    91,790.92x = 137,659.92 × 25,233.22
  4. Step 4: Simplify right side
    91,790.92x = 3,473,603,046.54
  5. Step 5: Solve for x
    x = 3,473,603,046.54/91,790.92
  6. Step 6: Final answer
    x = 37,842.56

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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.