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Finding the Fourth Proportional to 167,133.92, 230,631.10 and 91,682.42

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Solution

The fourth proportional to 167,133.92, 230,631.10 and 91,682.42 is: 126,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,133.92 : 230,631.10 = 91,682.42 : x
  2. Step 2: Convert to fraction form
    167,133.92/230,631.10 = 91,682.42/x
  3. Step 3: Cross multiply
    167,133.92x = 230,631.10 × 91,682.42
  4. Step 4: Simplify right side
    167,133.92x = 21,144,815,992.90
  5. Step 5: Solve for x
    x = 21,144,815,992.90/167,133.92
  6. Step 6: Final answer
    x = 126,514.21

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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.