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Finding the Fourth Proportional to 54,265.50, 81,768 and 44,620.82

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Solution

The fourth proportional to 54,265.50, 81,768 and 44,620.82 is: 67,235.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,265.50 : 81,768 = 44,620.82 : x
  2. Step 2: Convert to fraction form
    54,265.50/81,768 = 44,620.82/x
  3. Step 3: Cross multiply
    54,265.50x = 81,768 × 44,620.82
  4. Step 4: Simplify right side
    54,265.50x = 3,648,555,209.76
  5. Step 5: Solve for x
    x = 3,648,555,209.76/54,265.50
  6. Step 6: Final answer
    x = 67,235.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.