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Finding the Fourth Proportional to 181,224.70, 271,687.38 and 79,950.58

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Solution

The fourth proportional to 181,224.70, 271,687.38 and 79,950.58 is: 119,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,224.70 : 271,687.38 = 79,950.58 : x
  2. Step 2: Convert to fraction form
    181,224.70/271,687.38 = 79,950.58/x
  3. Step 3: Cross multiply
    181,224.70x = 271,687.38 × 79,950.58
  4. Step 4: Simplify right side
    181,224.70x = 21,721,563,609.68
  5. Step 5: Solve for x
    x = 21,721,563,609.68/181,224.70
  6. Step 6: Final answer
    x = 119,859.84

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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.