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Finding the Fourth Proportional to 92,043.56, 138,092.22 and 36,647.72

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Solution

The fourth proportional to 92,043.56, 138,092.22 and 36,647.72 is: 54,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,043.56 : 138,092.22 = 36,647.72 : x
  2. Step 2: Convert to fraction form
    92,043.56/138,092.22 = 36,647.72/x
  3. Step 3: Cross multiply
    92,043.56x = 138,092.22 × 36,647.72
  4. Step 4: Simplify right side
    92,043.56x = 5,060,765,012.74
  5. Step 5: Solve for x
    x = 5,060,765,012.74/92,043.56
  6. Step 6: Final answer
    x = 54,982.28

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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.