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Finding the Fourth Proportional to 117,190.96, 175,640.24 and 57,169.96

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Solution

The fourth proportional to 117,190.96, 175,640.24 and 57,169.96 is: 85,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,190.96 : 175,640.24 = 57,169.96 : x
  2. Step 2: Convert to fraction form
    117,190.96/175,640.24 = 57,169.96/x
  3. Step 3: Cross multiply
    117,190.96x = 175,640.24 × 57,169.96
  4. Step 4: Simplify right side
    117,190.96x = 10,041,345,495.19
  5. Step 5: Solve for x
    x = 10,041,345,495.19/117,190.96
  6. Step 6: Final answer
    x = 85,683.62

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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.