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Finding the Fourth Proportional to 55,144.56, 82,753.90 and 54,941.66

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Solution

The fourth proportional to 55,144.56, 82,753.90 and 54,941.66 is: 82,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,144.56 : 82,753.90 = 54,941.66 : x
  2. Step 2: Convert to fraction form
    55,144.56/82,753.90 = 54,941.66/x
  3. Step 3: Cross multiply
    55,144.56x = 82,753.90 × 54,941.66
  4. Step 4: Simplify right side
    55,144.56x = 4,546,636,086.35
  5. Step 5: Solve for x
    x = 4,546,636,086.35/55,144.56
  6. Step 6: Final answer
    x = 82,449.40

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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.