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Finding the Fourth Proportional to 110,351.67, 152,274.79 and 61,942.51

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Solution

The fourth proportional to 110,351.67, 152,274.79 and 61,942.51 is: 85,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,351.67 : 152,274.79 = 61,942.51 : x
  2. Step 2: Convert to fraction form
    110,351.67/152,274.79 = 61,942.51/x
  3. Step 3: Cross multiply
    110,351.67x = 152,274.79 × 61,942.51
  4. Step 4: Simplify right side
    110,351.67x = 9,432,283,049.94
  5. Step 5: Solve for x
    x = 9,432,283,049.94/110,351.67
  6. Step 6: Final answer
    x = 85,474.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.