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Finding the Fourth Proportional to 234,847.72, 352,282.74 and 74,940.60

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Solution

The fourth proportional to 234,847.72, 352,282.74 and 74,940.60 is: 112,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,847.72 : 352,282.74 = 74,940.60 : x
  2. Step 2: Convert to fraction form
    234,847.72/352,282.74 = 74,940.60/x
  3. Step 3: Cross multiply
    234,847.72x = 352,282.74 × 74,940.60
  4. Step 4: Simplify right side
    234,847.72x = 26,400,279,905.24
  5. Step 5: Solve for x
    x = 26,400,279,905.24/234,847.72
  6. Step 6: Final answer
    x = 112,414.46

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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.