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Finding the Fourth Proportional to 234,810.72, 352,227.24 and 74,903.64

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Solution

The fourth proportional to 234,810.72, 352,227.24 and 74,903.64 is: 112,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,810.72 : 352,227.24 = 74,903.64 : x
  2. Step 2: Convert to fraction form
    234,810.72/352,227.24 = 74,903.64/x
  3. Step 3: Cross multiply
    234,810.72x = 352,227.24 × 74,903.64
  4. Step 4: Simplify right side
    234,810.72x = 26,383,102,383.15
  5. Step 5: Solve for x
    x = 26,383,102,383.15/234,810.72
  6. Step 6: Final answer
    x = 112,359.02

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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.