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Finding the Fourth Proportional to 167,697.51, 231,401.50 and 113,367.86

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Solution

The fourth proportional to 167,697.51, 231,401.50 and 113,367.86 is: 156,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,697.51 : 231,401.50 = 113,367.86 : x
  2. Step 2: Convert to fraction form
    167,697.51/231,401.50 = 113,367.86/x
  3. Step 3: Cross multiply
    167,697.51x = 231,401.50 × 113,367.86
  4. Step 4: Simplify right side
    167,697.51x = 26,233,493,139.21
  5. Step 5: Solve for x
    x = 26,233,493,139.21/167,697.51
  6. Step 6: Final answer
    x = 156,433.41

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1.5x scale

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.