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Finding the Fourth Proportional to 167,217.36, 230,754.76 and 91,763.92

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Solution

The fourth proportional to 167,217.36, 230,754.76 and 91,763.92 is: 126,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,217.36 : 230,754.76 = 91,763.92 : x
  2. Step 2: Convert to fraction form
    167,217.36/230,754.76 = 91,763.92/x
  3. Step 3: Cross multiply
    167,217.36x = 230,754.76 × 91,763.92
  4. Step 4: Simplify right side
    167,217.36x = 21,174,961,336.26
  5. Step 5: Solve for x
    x = 21,174,961,336.26/167,217.36
  6. Step 6: Final answer
    x = 126,631.36

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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.