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Finding the Fourth Proportional to 167,571.54, 231,247.08 and 124,742.56

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Solution

The fourth proportional to 167,571.54, 231,247.08 and 124,742.56 is: 172,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,571.54 : 231,247.08 = 124,742.56 : x
  2. Step 2: Convert to fraction form
    167,571.54/231,247.08 = 124,742.56/x
  3. Step 3: Cross multiply
    167,571.54x = 231,247.08 × 124,742.56
  4. Step 4: Simplify right side
    167,571.54x = 28,846,352,751.72
  5. Step 5: Solve for x
    x = 28,846,352,751.72/167,571.54
  6. Step 6: Final answer
    x = 172,143.51

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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.