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Finding the Fourth Proportional to 167,061.52, 230,544.60 and 91,614.88

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Solution

The fourth proportional to 167,061.52, 230,544.60 and 91,614.88 is: 126,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,061.52 : 230,544.60 = 91,614.88 : x
  2. Step 2: Convert to fraction form
    167,061.52/230,544.60 = 91,614.88/x
  3. Step 3: Cross multiply
    167,061.52x = 230,544.60 × 91,614.88
  4. Step 4: Simplify right side
    167,061.52x = 21,121,315,863.65
  5. Step 5: Solve for x
    x = 21,121,315,863.65/167,061.52
  6. Step 6: Final answer
    x = 126,428.37

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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.