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Finding the Fourth Proportional to 166,473.23, 229,733.05 and 91,021.73

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Solution

The fourth proportional to 166,473.23, 229,733.05 and 91,021.73 is: 125,609.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,473.23 : 229,733.05 = 91,021.73 : x
  2. Step 2: Convert to fraction form
    166,473.23/229,733.05 = 91,021.73/x
  3. Step 3: Cross multiply
    166,473.23x = 229,733.05 × 91,021.73
  4. Step 4: Simplify right side
    166,473.23x = 20,910,699,649.18
  5. Step 5: Solve for x
    x = 20,910,699,649.18/166,473.23
  6. Step 6: Final answer
    x = 125,609.98

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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.