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Finding the Fourth Proportional to 197,651.69, 296,532.96 and 79,406.07

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Solution

The fourth proportional to 197,651.69, 296,532.96 and 79,406.07 is: 119,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,651.69 : 296,532.96 = 79,406.07 : x
  2. Step 2: Convert to fraction form
    197,651.69/296,532.96 = 79,406.07/x
  3. Step 3: Cross multiply
    197,651.69x = 296,532.96 × 79,406.07
  4. Step 4: Simplify right side
    197,651.69x = 23,546,516,979.07
  5. Step 5: Solve for x
    x = 23,546,516,979.07/197,651.69
  6. Step 6: Final answer
    x = 119,131.37

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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.