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Finding the Fourth Proportional to 101,119.68, 151,556.52 and 71,546.04

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Solution

The fourth proportional to 101,119.68, 151,556.52 and 71,546.04 is: 107,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,119.68 : 151,556.52 = 71,546.04 : x
  2. Step 2: Convert to fraction form
    101,119.68/151,556.52 = 71,546.04/x
  3. Step 3: Cross multiply
    101,119.68x = 151,556.52 × 71,546.04
  4. Step 4: Simplify right side
    101,119.68x = 10,843,268,842.18
  5. Step 5: Solve for x
    x = 10,843,268,842.18/101,119.68
  6. Step 6: Final answer
    x = 107,232.03

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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.