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Finding the Fourth Proportional to 188,379.96, 282,582.09 and 83,198.63

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Solution

The fourth proportional to 188,379.96, 282,582.09 and 83,198.63 is: 124,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,379.96 : 282,582.09 = 83,198.63 : x
  2. Step 2: Convert to fraction form
    188,379.96/282,582.09 = 83,198.63/x
  3. Step 3: Cross multiply
    188,379.96x = 282,582.09 × 83,198.63
  4. Step 4: Simplify right side
    188,379.96x = 23,510,441,337.63
  5. Step 5: Solve for x
    x = 23,510,441,337.63/188,379.96
  6. Step 6: Final answer
    x = 124,803.30

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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.