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Finding the Fourth Proportional to 167,415.54, 231,035.04 and 91,964.04

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Solution

The fourth proportional to 167,415.54, 231,035.04 and 91,964.04 is: 126,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,415.54 : 231,035.04 = 91,964.04 : x
  2. Step 2: Convert to fraction form
    167,415.54/231,035.04 = 91,964.04/x
  3. Step 3: Cross multiply
    167,415.54x = 231,035.04 × 91,964.04
  4. Step 4: Simplify right side
    167,415.54x = 21,246,915,659.96
  5. Step 5: Solve for x
    x = 21,246,915,659.96/167,415.54
  6. Step 6: Final answer
    x = 126,911.25

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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.