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Finding the Fourth Proportional to 141,594.66, 194,979.42 and 138,451.86

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Solution

The fourth proportional to 141,594.66, 194,979.42 and 138,451.86 is: 190,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,594.66 : 194,979.42 = 138,451.86 : x
  2. Step 2: Convert to fraction form
    141,594.66/194,979.42 = 138,451.86/x
  3. Step 3: Cross multiply
    141,594.66x = 194,979.42 × 138,451.86
  4. Step 4: Simplify right side
    141,594.66x = 26,995,263,360.72
  5. Step 5: Solve for x
    x = 26,995,263,360.72/141,594.66
  6. Step 6: Final answer
    x = 190,651.71

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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.