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Finding the Fourth Proportional to 183,136.99, 274,213.31 and 116,214.79

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Solution

The fourth proportional to 183,136.99, 274,213.31 and 116,214.79 is: 174,009.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,136.99 : 274,213.31 = 116,214.79 : x
  2. Step 2: Convert to fraction form
    183,136.99/274,213.31 = 116,214.79/x
  3. Step 3: Cross multiply
    183,136.99x = 274,213.31 × 116,214.79
  4. Step 4: Simplify right side
    183,136.99x = 31,867,642,236.85
  5. Step 5: Solve for x
    x = 31,867,642,236.85/183,136.99
  6. Step 6: Final answer
    x = 174,009.86

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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.