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Finding the Fourth Proportional to 117,846,572.80, 176,471,260.80 and 93,958,700.80

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Solution

The fourth proportional to 117,846,572.80, 176,471,260.80 and 93,958,700.80 is: 140,699,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,846,572.80 : 176,471,260.80 = 93,958,700.80 : x
  2. Step 2: Convert to fraction form
    117,846,572.80/176,471,260.80 = 93,958,700.80/x
  3. Step 3: Cross multiply
    117,846,572.80x = 176,471,260.80 × 93,958,700.80
  4. Step 4: Simplify right side
    117,846,572.80x = 16,581,010,393,305,970
  5. Step 5: Solve for x
    x = 16,581,010,393,305,970/117,846,572.80
  6. Step 6: Final answer
    x = 140,699,979.64

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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.