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Finding the Fourth Proportional to 234,250.50, 351,385.47 and 68,038.50

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Solution

The fourth proportional to 234,250.50, 351,385.47 and 68,038.50 is: 102,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,250.50 : 351,385.47 = 68,038.50 : x
  2. Step 2: Convert to fraction form
    234,250.50/351,385.47 = 68,038.50/x
  3. Step 3: Cross multiply
    234,250.50x = 351,385.47 × 68,038.50
  4. Step 4: Simplify right side
    234,250.50x = 23,907,740,300.60
  5. Step 5: Solve for x
    x = 23,907,740,300.60/234,250.50
  6. Step 6: Final answer
    x = 102,060.57

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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.