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Finding the Fourth Proportional to 167,517, 231,182.32 and 95,907.78

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Solution

The fourth proportional to 167,517, 231,182.32 and 95,907.78 is: 132,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,517 : 231,182.32 = 95,907.78 : x
  2. Step 2: Convert to fraction form
    167,517/231,182.32 = 95,907.78/x
  3. Step 3: Cross multiply
    167,517x = 231,182.32 × 95,907.78
  4. Step 4: Simplify right side
    167,517x = 22,172,183,086.45
  5. Step 5: Solve for x
    x = 22,172,183,086.45/167,517
  6. Step 6: Final answer
    x = 132,357.81

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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.