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Finding the Fourth Proportional to 234,338.50, 351,567.69 and 68,126.50

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Solution

The fourth proportional to 234,338.50, 351,567.69 and 68,126.50 is: 102,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,338.50 : 351,567.69 = 68,126.50 : x
  2. Step 2: Convert to fraction form
    234,338.50/351,567.69 = 68,126.50/x
  3. Step 3: Cross multiply
    234,338.50x = 351,567.69 × 68,126.50
  4. Step 4: Simplify right side
    234,338.50x = 23,951,076,232.79
  5. Step 5: Solve for x
    x = 23,951,076,232.79/234,338.50
  6. Step 6: Final answer
    x = 102,207.18

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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.