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Finding the Fourth Proportional to 234,608.04, 351,932.76 and 66,129.78

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Solution

The fourth proportional to 234,608.04, 351,932.76 and 66,129.78 is: 99,200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,608.04 : 351,932.76 = 66,129.78 : x
  2. Step 2: Convert to fraction form
    234,608.04/351,932.76 = 66,129.78/x
  3. Step 3: Cross multiply
    234,608.04x = 351,932.76 × 66,129.78
  4. Step 4: Simplify right side
    234,608.04x = 23,273,235,993.59
  5. Step 5: Solve for x
    x = 23,273,235,993.59/234,608.04
  6. Step 6: Final answer
    x = 99,200.50

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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.