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Finding the Fourth Proportional to 167,310.75, 230,892.48 and 91,859.25

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Solution

The fourth proportional to 167,310.75, 230,892.48 and 91,859.25 is: 126,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,310.75 : 230,892.48 = 91,859.25 : x
  2. Step 2: Convert to fraction form
    167,310.75/230,892.48 = 91,859.25/x
  3. Step 3: Cross multiply
    167,310.75x = 230,892.48 × 91,859.25
  4. Step 4: Simplify right side
    167,310.75x = 21,209,610,043.44
  5. Step 5: Solve for x
    x = 21,209,610,043.44/167,310.75
  6. Step 6: Final answer
    x = 126,767.77

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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.