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Finding the Fourth Proportional to 234,311.76, 351,395 and 84,532.58

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Solution

The fourth proportional to 234,311.76, 351,395 and 84,532.58 is: 126,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,311.76 : 351,395 = 84,532.58 : x
  2. Step 2: Convert to fraction form
    234,311.76/351,395 = 84,532.58/x
  3. Step 3: Cross multiply
    234,311.76x = 351,395 × 84,532.58
  4. Step 4: Simplify right side
    234,311.76x = 29,704,325,949.10
  5. Step 5: Solve for x
    x = 29,704,325,949.10/234,311.76
  6. Step 6: Final answer
    x = 126,772.66

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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.