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Finding the Fourth Proportional to 101,791.98, 152,670.69 and 26,912.94

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Solution

The fourth proportional to 101,791.98, 152,670.69 and 26,912.94 is: 40,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,791.98 : 152,670.69 = 26,912.94 : x
  2. Step 2: Convert to fraction form
    101,791.98/152,670.69 = 26,912.94/x
  3. Step 3: Cross multiply
    101,791.98x = 152,670.69 × 26,912.94
  4. Step 4: Simplify right side
    101,791.98x = 4,108,817,119.73
  5. Step 5: Solve for x
    x = 4,108,817,119.73/101,791.98
  6. Step 6: Final answer
    x = 40,364.84

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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.