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Finding the Fourth Proportional to 93,763.68, 129,369.64 and 55,523.96

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Solution

The fourth proportional to 93,763.68, 129,369.64 and 55,523.96 is: 76,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,763.68 : 129,369.64 = 55,523.96 : x
  2. Step 2: Convert to fraction form
    93,763.68/129,369.64 = 55,523.96/x
  3. Step 3: Cross multiply
    93,763.68x = 129,369.64 × 55,523.96
  4. Step 4: Simplify right side
    93,763.68x = 7,183,114,716.57
  5. Step 5: Solve for x
    x = 7,183,114,716.57/93,763.68
  6. Step 6: Final answer
    x = 76,608.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.