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Finding the Fourth Proportional to 91,880.97, 137,636.92 and 41,892.30

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Solution

The fourth proportional to 91,880.97, 137,636.92 and 41,892.30 is: 62,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,880.97 : 137,636.92 = 41,892.30 : x
  2. Step 2: Convert to fraction form
    91,880.97/137,636.92 = 41,892.30/x
  3. Step 3: Cross multiply
    91,880.97x = 137,636.92 × 41,892.30
  4. Step 4: Simplify right side
    91,880.97x = 5,765,927,143.72
  5. Step 5: Solve for x
    x = 5,765,927,143.72/91,880.97
  6. Step 6: Final answer
    x = 62,754.31

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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.