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Finding the Fourth Proportional to 183,237.71, 274,664.73 and 76,682.71

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Solution

The fourth proportional to 183,237.71, 274,664.73 and 76,682.71 is: 114,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,237.71 : 274,664.73 = 76,682.71 : x
  2. Step 2: Convert to fraction form
    183,237.71/274,664.73 = 76,682.71/x
  3. Step 3: Cross multiply
    183,237.71x = 274,664.73 × 76,682.71
  4. Step 4: Simplify right side
    183,237.71x = 21,062,036,720.16
  5. Step 5: Solve for x
    x = 21,062,036,720.16/183,237.71
  6. Step 6: Final answer
    x = 114,943.79

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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.