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Finding the Fourth Proportional to 91,651.43, 137,477.19 and 25,092.11

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Solution

The fourth proportional to 91,651.43, 137,477.19 and 25,092.11 is: 37,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,651.43 : 137,477.19 = 25,092.11 : x
  2. Step 2: Convert to fraction form
    91,651.43/137,477.19 = 25,092.11/x
  3. Step 3: Cross multiply
    91,651.43x = 137,477.19 × 25,092.11
  4. Step 4: Simplify right side
    91,651.43x = 3,449,592,773.97
  5. Step 5: Solve for x
    x = 3,449,592,773.97/91,651.43
  6. Step 6: Final answer
    x = 37,638.18

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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.