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Finding the Fourth Proportional to 55,065.96, 82,016.11 and 54,797.46

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Solution

The fourth proportional to 55,065.96, 82,016.11 and 54,797.46 is: 81,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,065.96 : 82,016.11 = 54,797.46 : x
  2. Step 2: Convert to fraction form
    55,065.96/82,016.11 = 54,797.46/x
  3. Step 3: Cross multiply
    55,065.96x = 82,016.11 × 54,797.46
  4. Step 4: Simplify right side
    55,065.96x = 4,494,274,507.08
  5. Step 5: Solve for x
    x = 4,494,274,507.08/55,065.96
  6. Step 6: Final answer
    x = 81,616.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.