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Finding the Fourth Proportional to 234,388.96, 351,604.16 and 65,910.72

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Solution

The fourth proportional to 234,388.96, 351,604.16 and 65,910.72 is: 98,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,388.96 : 351,604.16 = 65,910.72 : x
  2. Step 2: Convert to fraction form
    234,388.96/351,604.16 = 65,910.72/x
  3. Step 3: Cross multiply
    234,388.96x = 351,604.16 × 65,910.72
  4. Step 4: Simplify right side
    234,388.96x = 23,174,483,340.60
  5. Step 5: Solve for x
    x = 23,174,483,340.60/234,388.96
  6. Step 6: Final answer
    x = 98,871.91

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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.