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Finding the Fourth Proportional to 167,451.84, 231,077.76 and 91,995.84

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Solution

The fourth proportional to 167,451.84, 231,077.76 and 91,995.84 is: 126,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,451.84 : 231,077.76 = 91,995.84 : x
  2. Step 2: Convert to fraction form
    167,451.84/231,077.76 = 91,995.84/x
  3. Step 3: Cross multiply
    167,451.84x = 231,077.76 × 91,995.84
  4. Step 4: Simplify right side
    167,451.84x = 21,258,192,636.52
  5. Step 5: Solve for x
    x = 21,258,192,636.52/167,451.84
  6. Step 6: Final answer
    x = 126,951.08

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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.