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Finding the Fourth Proportional to 111,720.43, 167,527.86 and 40,593.49

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Solution

The fourth proportional to 111,720.43, 167,527.86 and 40,593.49 is: 60,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,720.43 : 167,527.86 = 40,593.49 : x
  2. Step 2: Convert to fraction form
    111,720.43/167,527.86 = 40,593.49/x
  3. Step 3: Cross multiply
    111,720.43x = 167,527.86 × 40,593.49
  4. Step 4: Simplify right side
    111,720.43x = 6,800,540,509.63
  5. Step 5: Solve for x
    x = 6,800,540,509.63/111,720.43
  6. Step 6: Final answer
    x = 60,871.06

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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.