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Finding the Fourth Proportional to 234,012.36, 351,071.36 and 74,098

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Solution

The fourth proportional to 234,012.36, 351,071.36 and 74,098 is: 111,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,012.36 : 351,071.36 = 74,098 : x
  2. Step 2: Convert to fraction form
    234,012.36/351,071.36 = 74,098/x
  3. Step 3: Cross multiply
    234,012.36x = 351,071.36 × 74,098
  4. Step 4: Simplify right side
    234,012.36x = 26,013,685,633.28
  5. Step 5: Solve for x
    x = 26,013,685,633.28/234,012.36
  6. Step 6: Final answer
    x = 111,163.72

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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.