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Finding the Fourth Proportional to 192,405.58, 288,608.37 and 116,519.41

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Solution

The fourth proportional to 192,405.58, 288,608.37 and 116,519.41 is: 174,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,405.58 : 288,608.37 = 116,519.41 : x
  2. Step 2: Convert to fraction form
    192,405.58/288,608.37 = 116,519.41/x
  3. Step 3: Cross multiply
    192,405.58x = 288,608.37 × 116,519.41
  4. Step 4: Simplify right side
    192,405.58x = 33,628,477,895.36
  5. Step 5: Solve for x
    x = 33,628,477,895.36/192,405.58
  6. Step 6: Final answer
    x = 174,779.12

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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.