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Finding the Fourth Proportional to 111,745.82, 167,623.95 and 36,872.51

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Solution

The fourth proportional to 111,745.82, 167,623.95 and 36,872.51 is: 55,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,745.82 : 167,623.95 = 36,872.51 : x
  2. Step 2: Convert to fraction form
    111,745.82/167,623.95 = 36,872.51/x
  3. Step 3: Cross multiply
    111,745.82x = 167,623.95 × 36,872.51
  4. Step 4: Simplify right side
    111,745.82x = 6,180,714,934.49
  5. Step 5: Solve for x
    x = 6,180,714,934.49/111,745.82
  6. Step 6: Final answer
    x = 55,310.48

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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.