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Finding the Fourth Proportional to 180,238.33, 248,716.06 and 99,651.03

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Solution

The fourth proportional to 180,238.33, 248,716.06 and 99,651.03 is: 137,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,238.33 : 248,716.06 = 99,651.03 : x
  2. Step 2: Convert to fraction form
    180,238.33/248,716.06 = 99,651.03/x
  3. Step 3: Cross multiply
    180,238.33x = 248,716.06 × 99,651.03
  4. Step 4: Simplify right side
    180,238.33x = 24,784,811,556.54
  5. Step 5: Solve for x
    x = 24,784,811,556.54/180,238.33
  6. Step 6: Final answer
    x = 137,511.32

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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.