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Finding the Fourth Proportional to 234,954.60, 352,431.90 and 68,742.60

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Solution

The fourth proportional to 234,954.60, 352,431.90 and 68,742.60 is: 103,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,954.60 : 352,431.90 = 68,742.60 : x
  2. Step 2: Convert to fraction form
    234,954.60/352,431.90 = 68,742.60/x
  3. Step 3: Cross multiply
    234,954.60x = 352,431.90 × 68,742.60
  4. Step 4: Simplify right side
    234,954.60x = 24,227,085,128.94
  5. Step 5: Solve for x
    x = 24,227,085,128.94/234,954.60
  6. Step 6: Final answer
    x = 103,113.90

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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.