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Finding the Fourth Proportional to 167,696.77, 231,400.50 and 113,367.12

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Solution

The fourth proportional to 167,696.77, 231,400.50 and 113,367.12 is: 156,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,696.77 : 231,400.50 = 113,367.12 : x
  2. Step 2: Convert to fraction form
    167,696.77/231,400.50 = 113,367.12/x
  3. Step 3: Cross multiply
    167,696.77x = 231,400.50 × 113,367.12
  4. Step 4: Simplify right side
    167,696.77x = 26,233,208,251.56
  5. Step 5: Solve for x
    x = 26,233,208,251.56/167,696.77
  6. Step 6: Final answer
    x = 156,432.40

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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.