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Finding the Fourth Proportional to 80,297.88, 110,829.48 and 53,441.52

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Solution

The fourth proportional to 80,297.88, 110,829.48 and 53,441.52 is: 73,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,297.88 : 110,829.48 = 53,441.52 : x
  2. Step 2: Convert to fraction form
    80,297.88/110,829.48 = 53,441.52/x
  3. Step 3: Cross multiply
    80,297.88x = 110,829.48 × 53,441.52
  4. Step 4: Simplify right side
    80,297.88x = 5,922,895,872.01
  5. Step 5: Solve for x
    x = 5,922,895,872.01/80,297.88
  6. Step 6: Final answer
    x = 73,761.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.