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Finding the Fourth Proportional to 167,574.99, 231,257.97 and 91,099.22

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Solution

The fourth proportional to 167,574.99, 231,257.97 and 91,099.22 is: 125,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,574.99 : 231,257.97 = 91,099.22 : x
  2. Step 2: Convert to fraction form
    167,574.99/231,257.97 = 91,099.22/x
  3. Step 3: Cross multiply
    167,574.99x = 231,257.97 × 91,099.22
  4. Step 4: Simplify right side
    167,574.99x = 21,067,419,529.49
  5. Step 5: Solve for x
    x = 21,067,419,529.49/167,574.99
  6. Step 6: Final answer
    x = 125,719.35

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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.