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Finding the Fourth Proportional to 141,366,751.80, 211,751,529.30 and 117,478,879.80

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Solution

The fourth proportional to 141,366,751.80, 211,751,529.30 and 117,478,879.80 is: 175,970,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,366,751.80 : 211,751,529.30 = 117,478,879.80 : x
  2. Step 2: Convert to fraction form
    141,366,751.80/211,751,529.30 = 117,478,879.80/x
  3. Step 3: Cross multiply
    141,366,751.80x = 211,751,529.30 × 117,478,879.80
  4. Step 4: Simplify right side
    141,366,751.80x = 24,876,332,458,100,880
  5. Step 5: Solve for x
    x = 24,876,332,458,100,880/141,366,751.80
  6. Step 6: Final answer
    x = 175,970,177.86

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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.