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Finding the Fourth Proportional to 111,361.67, 167,042.51 and 32,475.90

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Solution

The fourth proportional to 111,361.67, 167,042.51 and 32,475.90 is: 48,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,361.67 : 167,042.51 = 32,475.90 : x
  2. Step 2: Convert to fraction form
    111,361.67/167,042.51 = 32,475.90/x
  3. Step 3: Cross multiply
    111,361.67x = 167,042.51 × 32,475.90
  4. Step 4: Simplify right side
    111,361.67x = 5,424,855,850.51
  5. Step 5: Solve for x
    x = 5,424,855,850.51/111,361.67
  6. Step 6: Final answer
    x = 48,713.85

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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.