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Finding the Fourth Proportional to 234,250.75, 351,385.85 and 68,038.75

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Solution

The fourth proportional to 234,250.75, 351,385.85 and 68,038.75 is: 102,060.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,250.75 : 351,385.85 = 68,038.75 : x
  2. Step 2: Convert to fraction form
    234,250.75/351,385.85 = 68,038.75/x
  3. Step 3: Cross multiply
    234,250.75x = 351,385.85 × 68,038.75
  4. Step 4: Simplify right side
    234,250.75x = 23,907,853,661.49
  5. Step 5: Solve for x
    x = 23,907,853,661.49/234,250.75
  6. Step 6: Final answer
    x = 102,060.95

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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.