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Finding the Fourth Proportional to 231,767.37, 347,806.88 and 82,007.08

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Solution

The fourth proportional to 231,767.37, 347,806.88 and 82,007.08 is: 123,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,767.37 : 347,806.88 = 82,007.08 : x
  2. Step 2: Convert to fraction form
    231,767.37/347,806.88 = 82,007.08/x
  3. Step 3: Cross multiply
    231,767.37x = 347,806.88 × 82,007.08
  4. Step 4: Simplify right side
    231,767.37x = 28,522,626,632.71
  5. Step 5: Solve for x
    x = 28,522,626,632.71/231,767.37
  6. Step 6: Final answer
    x = 123,065.76

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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.