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Finding the Fourth Proportional to 171,993.43, 237,463.34 and 111,735.81

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Solution

The fourth proportional to 171,993.43, 237,463.34 and 111,735.81 is: 154,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,993.43 : 237,463.34 = 111,735.81 : x
  2. Step 2: Convert to fraction form
    171,993.43/237,463.34 = 111,735.81/x
  3. Step 3: Cross multiply
    171,993.43x = 237,463.34 × 111,735.81
  4. Step 4: Simplify right side
    171,993.43x = 26,533,157,452.89
  5. Step 5: Solve for x
    x = 26,533,157,452.89/171,993.43
  6. Step 6: Final answer
    x = 154,268.44

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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.