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Finding the Fourth Proportional to 259,086.29, 388,629.44 and 101,204.03

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Solution

The fourth proportional to 259,086.29, 388,629.44 and 101,204.03 is: 151,806.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,086.29 : 388,629.44 = 101,204.03 : x
  2. Step 2: Convert to fraction form
    259,086.29/388,629.44 = 101,204.03/x
  3. Step 3: Cross multiply
    259,086.29x = 388,629.44 × 101,204.03
  4. Step 4: Simplify right side
    259,086.29x = 39,330,863,814.51
  5. Step 5: Solve for x
    x = 39,330,863,814.51/259,086.29
  6. Step 6: Final answer
    x = 151,806.04

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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.