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Finding the Fourth Proportional to 166,900.77, 230,326.27 and 91,449.27

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Solution

The fourth proportional to 166,900.77, 230,326.27 and 91,449.27 is: 126,201.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,900.77 : 230,326.27 = 91,449.27 : x
  2. Step 2: Convert to fraction form
    166,900.77/230,326.27 = 91,449.27/x
  3. Step 3: Cross multiply
    166,900.77x = 230,326.27 × 91,449.27
  4. Step 4: Simplify right side
    166,900.77x = 21,063,169,024.70
  5. Step 5: Solve for x
    x = 21,063,169,024.70/166,900.77
  6. Step 6: Final answer
    x = 126,201.75

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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.