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Finding the Fourth Proportional to 186,568.56, 279,850.25 and 111,709.37

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Solution

The fourth proportional to 186,568.56, 279,850.25 and 111,709.37 is: 167,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,568.56 : 279,850.25 = 111,709.37 : x
  2. Step 2: Convert to fraction form
    186,568.56/279,850.25 = 111,709.37/x
  3. Step 3: Cross multiply
    186,568.56x = 279,850.25 × 111,709.37
  4. Step 4: Simplify right side
    186,568.56x = 31,261,896,100.74
  5. Step 5: Solve for x
    x = 31,261,896,100.74/186,568.56
  6. Step 6: Final answer
    x = 167,562.51

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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.