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Finding the Fourth Proportional to 192,778.91, 265,899.67 and 134,538.41

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Solution

The fourth proportional to 192,778.91, 265,899.67 and 134,538.41 is: 185,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,778.91 : 265,899.67 = 134,538.41 : x
  2. Step 2: Convert to fraction form
    192,778.91/265,899.67 = 134,538.41/x
  3. Step 3: Cross multiply
    192,778.91x = 265,899.67 × 134,538.41
  4. Step 4: Simplify right side
    192,778.91x = 35,773,719,149.73
  5. Step 5: Solve for x
    x = 35,773,719,149.73/192,778.91
  6. Step 6: Final answer
    x = 185,568.64

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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.