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Finding the Fourth Proportional to 54,482.67, 81,781.23 and 48,282.39

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Solution

The fourth proportional to 54,482.67, 81,781.23 and 48,282.39 is: 72,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,482.67 : 81,781.23 = 48,282.39 : x
  2. Step 2: Convert to fraction form
    54,482.67/81,781.23 = 48,282.39/x
  3. Step 3: Cross multiply
    54,482.67x = 81,781.23 × 48,282.39
  4. Step 4: Simplify right side
    54,482.67x = 3,948,593,241.54
  5. Step 5: Solve for x
    x = 3,948,593,241.54/54,482.67
  6. Step 6: Final answer
    x = 72,474.30

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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.