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Finding the Fourth Proportional to 93,457.29, 140,187.90 and 33,489.67

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Solution

The fourth proportional to 93,457.29, 140,187.90 and 33,489.67 is: 50,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,457.29 : 140,187.90 = 33,489.67 : x
  2. Step 2: Convert to fraction form
    93,457.29/140,187.90 = 33,489.67/x
  3. Step 3: Cross multiply
    93,457.29x = 140,187.90 × 33,489.67
  4. Step 4: Simplify right side
    93,457.29x = 4,694,846,508.99
  5. Step 5: Solve for x
    x = 4,694,846,508.99/93,457.29
  6. Step 6: Final answer
    x = 50,235.21

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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.