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Finding the Fourth Proportional to 201,571.56, 278,168.42 and 110,933.37

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Solution

The fourth proportional to 201,571.56, 278,168.42 and 110,933.37 is: 153,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,571.56 : 278,168.42 = 110,933.37 : x
  2. Step 2: Convert to fraction form
    201,571.56/278,168.42 = 110,933.37/x
  3. Step 3: Cross multiply
    201,571.56x = 278,168.42 × 110,933.37
  4. Step 4: Simplify right side
    201,571.56x = 30,858,159,703.51
  5. Step 5: Solve for x
    x = 30,858,159,703.51/201,571.56
  6. Step 6: Final answer
    x = 153,087.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.