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Finding the Fourth Proportional to 234,228.28, 351,352.08 and 68,016.28

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Solution

The fourth proportional to 234,228.28, 351,352.08 and 68,016.28 is: 102,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,228.28 : 351,352.08 = 68,016.28 : x
  2. Step 2: Convert to fraction form
    234,228.28/351,352.08 = 68,016.28/x
  3. Step 3: Cross multiply
    234,228.28x = 351,352.08 × 68,016.28
  4. Step 4: Simplify right side
    234,228.28x = 23,897,661,451.86
  5. Step 5: Solve for x
    x = 23,897,661,451.86/234,228.28
  6. Step 6: Final answer
    x = 102,027.23

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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.