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Finding the Fourth Proportional to 167,908.56, 231,709.32 and 92,457.68

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Solution

The fourth proportional to 167,908.56, 231,709.32 and 92,457.68 is: 127,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,908.56 : 231,709.32 = 92,457.68 : x
  2. Step 2: Convert to fraction form
    167,908.56/231,709.32 = 92,457.68/x
  3. Step 3: Cross multiply
    167,908.56x = 231,709.32 × 92,457.68
  4. Step 4: Simplify right side
    167,908.56x = 21,423,306,161.58
  5. Step 5: Solve for x
    x = 21,423,306,161.58/167,908.56
  6. Step 6: Final answer
    x = 127,589.12

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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.