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Finding the Fourth Proportional to 181,159.96, 271,636.26 and 75,890.20

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Solution

The fourth proportional to 181,159.96, 271,636.26 and 75,890.20 is: 113,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,159.96 : 271,636.26 = 75,890.20 : x
  2. Step 2: Convert to fraction form
    181,159.96/271,636.26 = 75,890.20/x
  3. Step 3: Cross multiply
    181,159.96x = 271,636.26 × 75,890.20
  4. Step 4: Simplify right side
    181,159.96x = 20,614,530,098.65
  5. Step 5: Solve for x
    x = 20,614,530,098.65/181,159.96
  6. Step 6: Final answer
    x = 113,791.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.