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Finding the Fourth Proportional to 234,539.56, 351,861.90 and 74,624.68

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Solution

The fourth proportional to 234,539.56, 351,861.90 and 74,624.68 is: 111,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,539.56 : 351,861.90 = 74,624.68 : x
  2. Step 2: Convert to fraction form
    234,539.56/351,861.90 = 74,624.68/x
  3. Step 3: Cross multiply
    234,539.56x = 351,861.90 × 74,624.68
  4. Step 4: Simplify right side
    234,539.56x = 26,257,581,691.69
  5. Step 5: Solve for x
    x = 26,257,581,691.69/234,539.56
  6. Step 6: Final answer
    x = 111,953.74

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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.