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Finding the Fourth Proportional to 167,138.12, 230,651.66 and 95,520.80

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Solution

The fourth proportional to 167,138.12, 230,651.66 and 95,520.80 is: 131,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,138.12 : 230,651.66 = 95,520.80 : x
  2. Step 2: Convert to fraction form
    167,138.12/230,651.66 = 95,520.80/x
  3. Step 3: Cross multiply
    167,138.12x = 230,651.66 × 95,520.80
  4. Step 4: Simplify right side
    167,138.12x = 22,032,031,084.53
  5. Step 5: Solve for x
    x = 22,032,031,084.53/167,138.12
  6. Step 6: Final answer
    x = 131,819.31

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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.