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Finding the Fourth Proportional to 101,175.12, 151,791.84 and 31,064.76

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Solution

The fourth proportional to 101,175.12, 151,791.84 and 31,064.76 is: 46,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,175.12 : 151,791.84 = 31,064.76 : x
  2. Step 2: Convert to fraction form
    101,175.12/151,791.84 = 31,064.76/x
  3. Step 3: Cross multiply
    101,175.12x = 151,791.84 × 31,064.76
  4. Step 4: Simplify right side
    101,175.12x = 4,715,377,079.56
  5. Step 5: Solve for x
    x = 4,715,377,079.56/101,175.12
  6. Step 6: Final answer
    x = 46,606.09

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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.