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Finding the Fourth Proportional to 111,776,016.80, 167,752,498.80 and 43,651,344.80

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Solution

The fourth proportional to 111,776,016.80, 167,752,498.80 and 43,651,344.80 is: 65,511,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,776,016.80 : 167,752,498.80 = 43,651,344.80 : x
  2. Step 2: Convert to fraction form
    111,776,016.80/167,752,498.80 = 43,651,344.80/x
  3. Step 3: Cross multiply
    111,776,016.80x = 167,752,498.80 × 43,651,344.80
  4. Step 4: Simplify right side
    111,776,016.80x = 7,322,622,166,180,386
  5. Step 5: Solve for x
    x = 7,322,622,166,180,386/111,776,016.80
  6. Step 6: Final answer
    x = 65,511,568.37

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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.