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Finding the Fourth Proportional to 92,540.82, 127,718.46 and 68,735.46

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Solution

The fourth proportional to 92,540.82, 127,718.46 and 68,735.46 is: 94,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,540.82 : 127,718.46 = 68,735.46 : x
  2. Step 2: Convert to fraction form
    92,540.82/127,718.46 = 68,735.46/x
  3. Step 3: Cross multiply
    92,540.82x = 127,718.46 × 68,735.46
  4. Step 4: Simplify right side
    92,540.82x = 8,778,787,098.59
  5. Step 5: Solve for x
    x = 8,778,787,098.59/92,540.82
  6. Step 6: Final answer
    x = 94,863.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.