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Finding the Fourth Proportional to 167,145.50, 230,660.80 and 91,695.62

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Solution

The fourth proportional to 167,145.50, 230,660.80 and 91,695.62 is: 126,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,145.50 : 230,660.80 = 91,695.62 : x
  2. Step 2: Convert to fraction form
    167,145.50/230,660.80 = 91,695.62/x
  3. Step 3: Cross multiply
    167,145.50x = 230,660.80 × 91,695.62
  4. Step 4: Simplify right side
    167,145.50x = 21,150,585,065.70
  5. Step 5: Solve for x
    x = 21,150,585,065.70/167,145.50
  6. Step 6: Final answer
    x = 126,539.96

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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.