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Finding the Fourth Proportional to 73,761.54, 110,653.26 and 27,010.80

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Solution

The fourth proportional to 73,761.54, 110,653.26 and 27,010.80 is: 40,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,761.54 : 110,653.26 = 27,010.80 : x
  2. Step 2: Convert to fraction form
    73,761.54/110,653.26 = 27,010.80/x
  3. Step 3: Cross multiply
    73,761.54x = 110,653.26 × 27,010.80
  4. Step 4: Simplify right side
    73,761.54x = 2,988,833,075.21
  5. Step 5: Solve for x
    x = 2,988,833,075.21/73,761.54
  6. Step 6: Final answer
    x = 40,520.21

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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.