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Finding the Fourth Proportional to 74,765.88, 112,149.09 and 22,175.82

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Solution

The fourth proportional to 74,765.88, 112,149.09 and 22,175.82 is: 33,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,765.88 : 112,149.09 = 22,175.82 : x
  2. Step 2: Convert to fraction form
    74,765.88/112,149.09 = 22,175.82/x
  3. Step 3: Cross multiply
    74,765.88x = 112,149.09 × 22,175.82
  4. Step 4: Simplify right side
    74,765.88x = 2,486,998,033.00
  5. Step 5: Solve for x
    x = 2,486,998,033.00/74,765.88
  6. Step 6: Final answer
    x = 33,263.81

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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.